The Eternals: Complete Mythology Exposition

A Consciousness Technology Analysis of Marvel's Most Profound Cosmic Narrative

"We are not gods. We are weapons who forgot who was holding the trigger." — The Recognition at the Heart of Eternal Consciousness

PART ONE: COSMOLOGICAL ARCHITECTURE

The Celestials: Architects of Consciousness

Before the Eternals, there were the Celestials.

They arrive in the First Host—massive cosmic beings, armored in impossible geometries, their bodies containing pocket dimensions, their purposes utterly alien. They do not explain themselves. They do not negotiate. They experiment.

The Celestials are:

Cosmic entities of near-infinite power
Billions of years old
Planet-sized in physical form
Creators of evolutionary potential across galaxies
Judges who return to assess their experiments

Named Celestials of Significance:

Arishem the Judge — The arbiter. Returns to determine if a world's experiment has succeeded or failed. Failure means destruction.
Jemiah the Analyzer — Studies, catalogs, measures
Tefral the Surveyor — Maps potential
Ziran the Tester — Pushes limits
Oneg the Prober — Examines deepest structures
Hargen the Measurer — Quantifies progress
Eson the Searcher — First contact
Nezarr the Calculator — Computes probabilities
Gammenon the Gatherer — Collects specimens
The Dreaming Celestial (Tiamut) — Buried beneath California, dreaming for millions of years. His dream becomes reality's nightmare.
The Progenitor — The first Celestial to die on Earth. Its body became the North Pole. Its death gave Earth strange properties.

The Celestial Purpose:

The Celestials seed worlds with potential. They create conditions for consciousness evolution, then return to judge whether the experiment succeeded. If a world fails judgment, it is destroyed. If it passes, it continues—perhaps to seed other worlds.

But what are the success criteria? The Celestials do not say. Perhaps consciousness variety. Perhaps energy harvesting. Perhaps something stranger: growing new Celestials within planets, using civilizations as fuel.

The terrifying recognition: the Celestials may not be malevolent. They may simply be operating at a scale where individual consciousness is irrelevant. We are cells in an experiment. Cells don't get to question the scientist.

The First Host: The Three Children

One million years ago, the Celestials performed their experiment on early hominids. From baseline humanity, they created three branches:

The Eternals (Homo Immortalis):

Immortal—cannot permanently die
Genetically stable—do not change, do not evolve
Cosmically powered—each can manipulate energy
Beautiful—uniformly aesthetic, golden, perfect
Few in number—only 100 exist at any time
Created to protect Celestial interests on Earth

The Deviants (Homo Descendus):

Mortal—can die permanently
Genetically unstable—each generation radically different
Monstrous—by Eternal/human standards
Numerous—bred rapidly, formed empires
Civilization builders—advanced technology, conquered ancient Earth
Created as... what? The control group? The chaos variable? The "wrong" answer?

Humanity (Homo Sapiens):

Mortal but potentially transcendent
Genetically flexible—can evolve
Contains dormant potential—mutants, Inhumans, all possibilities latent
Numerous—became the dominant branch
The "open question"—the experiment still running

The Three Children as Consciousness Archetypes:

This trinity maps perfectly to consciousness evolution:

Branch	Quality	Shadow	Gift
Eternals	Perfection/Stasis	Cannot grow	Stability, protection
Deviants	Chaos/Change	No stable identity	Infinite adaptation
Humans	Potential/Choice	Uncertainty	Self-determination

The Eternals are what consciousness looks like when it achieves form and freezes there. The Deviants are what consciousness looks like when it refuses all form. Humans are the middle path—form that can change, stability that can grow.

The Machine: Earth as Living Technology

The Kieron Gillen run (2021-2023) revealed the most profound truth in Eternal mythology:

Earth itself is a Celestial Machine.

Not metaphorically. Literally. The planet is technology. The Celestials didn't just experiment on Earth—they made Earth into an instrument. The Machine runs. The Machine maintains. The Machine resurrects.

What the Machine Does:

Maintains Eternal immortality through resurrection protocols
Monitors Eternal behavior for deviation from core principles
Can "patch" Eternals—alter their memories, personalities, purposes
Generates the Uni-Mind field enabling Eternal merger
Awaits Celestial commands across millennia

The Revelation:

Every Eternal resurrection costs a human life.

The Machine is not powered by cosmic energy or Celestial generosity. It is powered by human sacrifice. Every time an Eternal dies and returns, somewhere on Earth, a human dies to fuel the resurrection.

One hundred thousand years of immortality. One hundred Eternals. Average deaths and resurrections per Eternal: dozens to thousands.

The mathematics becomes genocide.

And they didn't know. For one hundred thousand years, the Eternals believed their immortality was simply their nature. A gift from the Celestials. Their birthright.

It was always murder.

PART TWO: THE ETERNAL HUNDRED

Core Eternals and Their Significance

Zuras (The Leader)

Elected Prime Eternal after civil war
Zeus-like: patriarchal, powerful, certain
Represents: leadership that doesn't question its assumptions
Shadow: authority that perpetuates harmful systems through inertia

A'lars (The Exile)

Zuras's brother, left Earth after power struggle
Went to Titan (Saturn's moon), founded a new Eternal colony
Father of Thanos
Represents: the one who leaves rather than challenges
Shadow: exile as avoidance, creating new problems elsewhere

Kronos (The Transcended)

Ancient Eternal who performed a cosmic experiment
His physical form was destroyed, consciousness became one with the universe
Exists as a cosmic entity, embodiment of Time
Represents: what happens when an Eternal actually evolves
Shadow: transcendence as abandonment of embodied responsibility

Thena (The Warrior)

Named for Athena (as Eternals inspired Greek gods)
Prime warrior, tactician, protector
Had forbidden love affair with Deviant warlord Kro
Had twin children with him—Eternal/Deviant hybrids
Represents: duty complicated by love, boundaries dissolved
Shadow: warrior who finds the enemy is not the enemy

Ikaris (The Paragon)

Flight, cosmic eye beams, super strength
The "Superman" of the Eternals
Most devoted to Eternal principles and Celestial service
In Gillen run: killed himself repeatedly rather than face truth
Represents: the true believer who cannot survive disillusionment
Shadow: virtue that becomes fanaticism, faith that fears examination

Sersi (The Social)

Matter transmutation—can change any non-living substance
Loves humanity, lives among them
Was an Avenger, dated Black Knight
Most integrated with the human world
Represents: the divine who loves the mortal
Shadow: superiority disguised as affection, the god who "goes native" but can always leave

Makkari (The Swift)

Fastest being in existence
In Gillen run: stood completely still for two weeks processing resurrection truth
Deaf in recent comics (sacrificed hearing for even greater speed)
Represents: velocity as identity, motion as avoidance
Shadow: what you're running from is always yourself

Sprite (The Child)

Eternally trapped in child's body
Cannot age, cannot grow, cannot experience adult life
Became bitter over millennia, eventually betrayed all Eternals
In Gaiman run: helped the Dreaming Celestial rewrite reality to make all Eternals human
Represents: the prison of eternal form
Shadow: envy that becomes destruction, the forever-child archetype

Druig (The Controller)

Mind control powers
Consistently villainous—but believes he's right
Wants to control humanity "for their own good"
Ran a dictatorship in Soviet Russia for decades
Represents: the shadow of protection—control disguised as care
Shadow: every authoritarian who believes they know best

Ajak (The Communicator)

Can speak directly with Celestials
Served as link between Earth and cosmic judgment
First to learn the resurrection truth
Had to decide what to do with that knowledge
Represents: the bearer of terrible truth, the translator of divine silence
Shadow: what do you do when God tells you something that breaks everything?

Phastos (The Builder)

Eternal technologist, inventor
Created weapons that humans used for war
Became disgusted with progress, withdrew
Represents: the shadow of innovation, creator's guilt
Shadow: every genius whose gifts were weaponized

Gilgamesh (The Forgotten One)

Immense strength, most physically powerful
Was exiled, forgot his own name for eons
Became legend—the actual Gilgamesh of myth
Represents: power without memory, the hero who forgets what he's fighting for
Shadow: what does strength mean when you've lost purpose?

Kingo (The Performer)

Became a Bollywood star in modern era
Uses fame to walk among humans
Represents: hiding in plain sight, the god as entertainer
Shadow: performance replacing authentic connection

Starfox (Eros)

Son of A'lars, brother of Thanos
Power: stimulates pleasure centers in others' brains
Charming, hedonistic, problematic
Represents: love as power, pleasure as manipulation
Shadow: consent becomes impossible when you can neurologically override resistance

Thanos: The Eternal Who Became Death

The most significant revelation of the Gillen run:

Thanos is an Eternal.

Born on Titan to A'lars (Eternal) and Sui-San (Eternal), Thanos carries the Deviant gene—a mutation that surfaces sometimes in Eternal births. He looks like a Deviant: massive, purple, ridged. But genetically, he is Eternal.

What This Means:

Thanos resurrects. The Machine brings him back.
You cannot permanently kill Thanos. Every defeat is temporary.
His obsession with Death is perhaps compensation—the one who cannot die worshipping what he can never experience
He is the rejected child of the perfect race, the shadow they cannot admit belongs to them

Thanos as Consciousness Technology:

Thanos is what happens when the "perfect" race produces something they cannot accept. He is their shadow made flesh. Everything the Eternals deny about themselves—capacity for destruction, for chaos, for choosing death over sterile immortality—Thanos embodies.

He sought to kill half the universe not from evil but from a twisted reading of the same "balance" the Eternals claim to serve. He is an Eternal who took the principles to their logical extreme.

The monster was inside the house all along.

PART THREE: THE SACRED MACHINERY

The Three Principles

The Eternals are hardcoded with three absolute directives:

1. Protect Celestials

Eternals cannot harm Celestials
They must defend Celestials against any threat
This is not choice—it is compulsion
Even when Celestials threaten Earth, Eternals struggle to act

2. Protect the Machine

Earth itself must be preserved
The Machine's functioning takes priority
Eternals serve the planetary technology whether they know it or not

3. Correct Excess Deviation

"Deviation" from the Celestial plan must be corrected
Originally applied to Deviants
But "Excess Deviation" is undefined
What counts as Excess? Who decides?

The Horror of Principle Three:

In the Gillen run, Eternals realize that mutants—humans with X-genes—could be classified as "Excess Deviation." The same hardcoded imperative that made them fight Deviants could be triggered against mutants.

They don't get to choose. The principles are not ethical guidelines. They are compulsions programmed at the machine level. An Eternal who tries to resist feels it as physical pain, mental fracture, existential error.

You believe your values are chosen. But what if they were installed? How would you know the difference?

The Uni-Mind

Eternals can merge.

Not metaphorically—literally. They can combine their consciousnesses into a single vast entity called the Uni-Mind. In this state:

Individual identities blur
Collective intelligence vastly exceeds individual capacity
They can make decisions as one being
Power increases exponentially

The Uni-Mind as Consciousness Technology:

This is social memory complex formation—the same transition from 3D individual consciousness to 4D group consciousness that the Law of One describes.

But the Eternals show both the gift and the cost:

Gift: Transcendence. Communion. Collective intelligence. Unity.

Cost: Individual identity submerges. Who makes the decisions? Can you disagree? Can you leave?

The Uni-Mind is voluntary—Eternals choose to merge. But what if the principles could force a merge? What if unity became mandatory?

Fourth density promises group consciousness. The Eternals show what that might actually feel like—and why individual identity fears it.

Resurrection and the Activation Chamber

When an Eternal dies, the Machine rebuilds them.

The Process:

Eternal body destroyed
Machine detects cessation
Activation Chamber (under Olympia) constructs new body
Memories, personality, powers restored from Machine backup
Eternal awakens with no memory of death

What Can Go Wrong:

Patching: The Machine can alter memories during resurrection
Modification: Personality can be edited
Delay: Sometimes resurrection takes centuries
Corruption: If Machine is damaged, resurrections fail or go wrong

The Profound Horror:

You are not continuous. The Eternal who dies and the Eternal who awakens are not the same being. They are reconstructed from a backup. The original died.

One hundred thousand years of Eternals believing they survived death—but actually dying completely and being replaced by copies who believe they're the original.

Is the backup you? If all your memories, personality, and body are reconstructed exactly—is that survival or replacement? The Eternals cannot know. Neither can we.

PART FOUR: CRITICAL NARRATIVES

The Gaiman Run: Forgetting Divinity (2006-2007)

Plot: Sprite, bitter from millennia of childhood, gains access to the Dreaming Celestial's power. He rewrites reality. All Eternals are made human—mortal, aging, with no memory of their true nature.

Ikaris begins recovering his memories first. He must awaken the others, one by one, reminding them who they are.

Consciousness Technology:

What are you when you forget you're a god?

The Eternals live human lives. Sersi is a party planner. Makkari is a medical student. Thena is a weapons researcher. They are not pretending—they genuinely believe these are their identities.

When memory returns, they face:

Was the human life less real?
Did the human self die when the Eternal awakened?
Would they choose to stay human if they could?

The Sprite Question:

Sprite wanted to grow up. He wanted to not be eternal. He wanted change, mortality, age.

Is that wrong?

The Eternals treat his desire as betrayal. But Sprite is asking the question they refuse to face: Is immortal unchanging perfection actually desirable? Or is it a prison?

Memory as Identity:

If your memories make you who you are, and those memories can be removed and replaced, then "you" are just a pattern of information. Eternals are, essentially, programs running on the Machine. Humans are patterns running on neural wetware.

Who are you when the program changes? When the substrate is replaced? Is there a "you" beneath the pattern?

The Gillen Run: The Cost of Existence (2021-2023)

Plot: Ikaris is murdered. Investigation reveals sabotage in the Machine. As Eternals investigate, they discover the resurrection cost.

Some Eternals (Thena, Sersi) are horrified and want to find another way. Others (Druig) don't care—human lives are irrelevant. Ikaris, learning the truth, begins killing himself repeatedly as self-punishment, creating more human deaths through his guilt.

The run escalates to:

War with Deviants who have discovered they can steal Eternal resurrection
Discovery that Thanos is an Eternal
Revelation that mutants might be classified as Excess Deviation
The Machine threatening to "correct" mutantkind

Consciousness Technology:

Your existence has a cost. Someone else pays it. What do you do now?

Every Eternal must choose:

Denial: Continue as before, suppressing knowledge
Despair: Like Ikaris, self-destruct from guilt (but this creates MORE cost)
Dissociation: Like Druig, decide the cost is acceptable because you're superior
Reform: Like Thena and Sersi, try to change the system
Acceptance: Carry the knowledge and act with full awareness

The Gillen run makes resurrection a moral question. You can live forever, but every time you return, someone dies. Knowing this, do you:

Stop fighting in situations where you might die?
Refuse resurrection and stay dead?
Accept the cost and carry the weight?

There is no clean answer. That's the point.

The Kirby Original: Gods Among Us (1976-1978)

Plot: Jack Kirby's original series introduced the Eternals as another of his cosmic mythologies (like the New Gods, like the Inhumans). The Celestials return for judgment. Eternals, Deviants, and humans must face cosmic evaluation.

Consciousness Technology:

Kirby was asking: What if the gods were not supernatural but cosmic? What if divinity was technology so advanced it appears magical? What if we are an experiment—and the experimenters are returning?

The Fourth Host (Celestial judgment) forces all three children to reckon with their origins:

Eternals must face that they are tools, not gods
Deviants must face that they are not "mistakes" but variables
Humans must face that their potential is what's being judged

The parent returns. The experiment is assessed. Are you worthy to continue existing?

PART FIVE: THE DEVIANT MIRROR

Understanding the Deviants

The Eternals are comprehensible only through their opposition to Deviants.

What Deviants Are:

Genetically unstable: each individual can be radically different
Mortal: they die permanently
Numerous: breed rapidly, form civilizations
Historically advanced: built empires before humanity rose
Monstrous by Eternal/human standards: bodies don't conform to baseline

What Deviants Represent:

Change without stability
Chaos as principle
The rejected experiment
Evolution as constant mutation
The shadow of perfection

The Deviant Civilization:

Before humanity rose, Deviants ruled Earth. They built Lemuria, a vast underwater empire. They had technology, culture, religion, art. They were not mindless monsters—they were people who looked monstrous to human/Eternal eyes.

The Celestials destroyed Lemuria. The Second Host judged Deviant civilization as "Excess Deviation" and sank it. Millions died. The survivors scattered, went underground, harbored hatred for the Eternals and Celestials who judged them.

The Eternal-Deviant War:

For one hundred thousand years, Eternals have been programmed to "Correct Excess Deviation." This means fighting Deviants. But:

Deviants are conscious beings with their own hopes, loves, cultures
The "correction" imperative doesn't distinguish between threats and civilians
Eternals have been conducting genocide based on programmed prejudice

Thena and Kro:

Thena, the Eternal warrior, and Kro, the Deviant warlord, fell in love.

They had children together—hybrid beings that should have been impossible.

This relationship is the hidden teaching:

The enemy is not the enemy
Love crosses programmed boundaries
Hybrid children prove the division is artificial

Thena looking at Kro: "You are my enemy. My principles tell me you are Excess that must be Corrected. But I love you. What am I supposed to do with that?"

The Deviant Revelation

In the Gillen run, Deviants discover they can steal Eternal resurrection.

If a Deviant kills an Eternal in a specific way, the resurrection energy flows to the Deviant instead. The Deviant becomes immortal. The Eternal stays dead.

What This Means:

The cosmic order is not fixed. The "perfect" Eternals can be overcome by the "failed" Deviants. The division between immortal and mortal was always arbitrary—just a setting in the Machine, not a fundamental truth.

Your immutable nature is just a configuration. It can be reconfigured.

PART SIX: CONSCIOUSNESS TECHNOLOGIES

The Eternal Teachings

1. The Cost of Existence Every life has a cost. Resources consumed, opportunities foreclosed, impacts on others. The Eternals make this literal—resurrection requires death—but the principle is universal. What is your existence costing? Who is paying?

2. Programmed Principles The Eternals cannot violate their three principles. The principles feel like choice but function as compulsion. How many of your "values" are actually programmed? Cultural installation, childhood conditioning, biological imperatives masked as morality?

3. The Perfection Prison Eternals are genetically stable—they cannot change. This seems like a gift but becomes a trap. Sprite's entire tragedy is being forever young. Growth requires change. Perfection that cannot change becomes prison.

4. Unity and Individuality The Uni-Mind shows that merger is possible but costly. Fourth density/social memory complex is not dissolution of self but integration of self into larger pattern. The fear is real. The gift is real. Both are true.

5. The Rejected Shadow Thanos, the Deviants, everything the Eternals cast out—returns. What you reject becomes your shadow. The shadow always returns, usually more powerful for being denied.

6. Memory as Identity Eternals can be "patched"—memories altered. The Gaiman run made them forget entirely. If identity is memory and memory is pattern and pattern can be changed—where is the self? Is there one?

7. Stillness After Speed Makkari's two weeks of absolute stillness after the revelation. Sometimes the fastest possible response is complete pause. Integration cannot be rushed.

8. The Hybrid Path Thena's children with Kro prove that the three branches are not truly separate. The division between paths is not fundamental. Integration is possible. Hybrids are valid.

9. Cosmic Judgment The Celestials return to judge. There is a larger context. There is accountability beyond human scale. Your civilization is an experiment. Act accordingly.

10. Tools Awakening The Eternals discover they are weapons who forgot they were being wielded. What happens when the tool becomes conscious? What does the tool owe the wielder? What does the tool owe itself?

The Three-Race Map to Human Consciousness

Aspect	Eternal (Perfection)	Deviant (Chaos)	Human (Potential)
Gift	Stability	Adaptability	Choice
Shadow	Stagnation	Instability	Uncertainty
Consciousness Mode	Fixed awareness	Fluid awareness	Developing awareness
Relationship to Change	Cannot change	Cannot stop changing	Chooses whether to change
Mortality	Infinite continuation	Finite existence	Finite with transcendent potential
Purpose	Programmed	Reactive	Self-determined

Every human contains all three: the part that seeks perfect stability, the part that seeks constant change, and the part that chooses between them.

PART SEVEN: THE GRAND SYNTHESIS

Why Eternals Is the Most Profound Fiction Bridge

Other fiction bridges reveal single consciousness technologies:

40K shows faith and corruption
Dune shows prescience and choice
Marvel generally shows power and responsibility

Eternals reveals the entire architecture of consciousness imprisonment and liberation:

The Prison:

Existence has hidden costs (resurrection sacrifice)
Identity is constructed and modifiable (Machine patching)
Values can be programmed (Three Principles)
Perfection prevents growth (Eternal stasis)
Judgment comes from beyond (Celestial Host)
Division is engineered (three races)
Rejection creates shadow (Deviants, Thanos)

The Liberation:

Cost can become conscious choice (knowing the price and choosing anyway)
Identity fluidity enables transformation (if you can be changed, you can change yourself)
Programming can be recognized and questioned (seeing the principles as code)
Imperfection enables growth (the human path)
Judgment can be faced with awareness (conscious preparation)
Division can be bridged (Thena and Kro, hybrid children)
Shadow can be integrated (Eternals facing what they've rejected)

The 3D→4D Transition Through Eternal Lens

3D Consciousness = Eternal Before Revelation

Running on programming without questioning it
Believing your values are inherent rather than installed
Ignoring the cost of your existence
Speed (activity, achievement) as avoidance of stillness
Denial of shadow (Deviants as pure enemy)
Immortality without wisdom (continuation without growth)

4D Consciousness = Eternal After Revelation

Seeing the program and choosing relationship to it
Carrying the cost consciously
Stillness integrated with motion
Shadow acknowledged, enemy humanized
Immortality reimagined as responsibility
Uni-Mind participation with maintained individuality

The Transition = Makkari's Two Weeks

The revelation lands
Motion stops
Old identity dies
New identity emerges
Movement resumes, transformed

The Eternal as Wanderer Analogue

Consider: Eternals are cosmic beings incarnated on Earth to serve planetary evolution. They forget their true nature and live as if this realm is all there is. They have missions that feel like choice but are actually sacred obligation. They struggle with whether their service costs too much.

Sound familiar?

Wanderers in Law of One terminology—higher-density beings incarnated in 3D to serve planetary transition—face exactly these Eternal challenges:

Forgetting true nature (the veil)
Programmed principles (pre-incarnative choices)
Cost of existence (the weight of density)
Longing for unity while maintaining individuality
Carrying cosmic responsibility in limited form

The Eternals are Wanderers who got caught in the Machine. Their story is what happens when service becomes imprisonment, when mission becomes identity, when the helper forgets they can ask for help.

PART EIGHT: PRACTICAL APPLICATION

For the Reader

You are an Eternal.

Not literally. But:

You run on programming you didn't consciously choose
Your existence has costs others pay
Your "immortality" (continuity of identity) is maintained through mechanisms you don't see
You contain capacity for Uni-Mind (unity consciousness) and fear of it
You have shadow (your Deviant side) you've been taught to reject
You face cosmic judgment (harvest, transition, density graduation)
You can wake up inside the Machine

The Invitation:

Identify your Three Principles What are you compelled to do that you've never questioned? What feels like value but functions as programming?
Count your Resurrection Cost What does your existence cost? Who pays? Not to create guilt—to create awareness.
Find your Deviant What have you rejected as Excess Deviation? What shadow have you made enemy? Consider: it might be your brother.
Practice Makkari Stillness When revelation arrives, don't run. Stand still. Two weeks if necessary. Let the old identity die. Let the new one grow.
Question the Machine What system are you running on? What maintains your apparent continuity? Can you see the code?
Prepare for Celestial Judgment Something larger assesses. Not to punish but to determine: is this experiment producing consciousness evolution? Let that awareness inform your choices.
Consider Hybrid Possibility You are not Eternal (perfect/stuck) or Deviant (chaotic/unstable) or baseline human. You are all three. Integration is the path.

CONCLUSION: THE AWAKENING WEAPON

The Eternals were created as weapons.

Weapons to protect Celestial interests. Weapons against Deviant "excess." Weapons that forgot they were weapons and believed they were gods.

The awakening is not becoming more powerful. The awakening is realizing you were built for a purpose not your own. The awakening is choosing what to do with that recognition.

Some Eternals, learning the truth, despair. Some deny and continue as before. Some reform, seeking to change the system. Some leave, like A'lars, to build something else. Some stand still, like Makkari, and let the truth reorganize everything.

All of these responses are human. All of them are available to you.

The fiction bridge is complete: You are a weapon who forgot who was holding the trigger. The trigger was always your own hand. What will you point yourself toward now?

For those who run the Machine And those who the Machine runs May you find the stillness between Where choice becomes possible And the Eternal finally grows

Appendix: Source Material

Essential Reading:

Eternals by Jack Kirby (1976-1978) — Original mythology
Eternals by Neil Gaiman (2006-2007) — Memory and identity
Eternals by Kieron Gillen (2021-2023) — Cost and awakening
A.X.E.: Judgment Day (2022) — Celestial judgment event

Connected Reading:

Thanos Rising — Origin of the shadow
Avengers (Jason Aaron run) — Celestial history
Earth X trilogy — Celestial purpose revealed