Introduction
18 years, 6 phases, and 40+ movies later, the Marvel Cinematic Universe remains the most ambitious shared-storytelling experiment in film history. From a single billionaire in an armored suit to a multiverse-spanning war against Doctor Doom, the MCU has been built in clearly defined “Phases” — each with its own tone, stakes, and story goals. Here’s the complete timeline, phase by phase.
Genre, Platform
- Genre: Superhero / Action / Sci-Fi
- Platform: Theatrical releases, streaming on Disney+
Phase One: The Beginning (2008–2012)
Theme: Introducing individual heroes and building toward a team-up.
- Iron Man (2008) — Billionaire Tony Stark builds a suit of armor to escape captivity and becomes Iron Man, kicking off the entire MCU.
- The Incredible Hulk (2008) — Bruce Banner goes on the run from the military while trying to control the rage-fueled monster within him.
- Iron Man 2 (2010) — Tony deals with the fallout of going public as Iron Man while facing Ivan Vanko, a new enemy tied to his father’s past.
- Thor (2011) — The arrogant Asgardian prince is exiled to Earth, where he learns humility and confronts his scheming brother Loki.
- Captain America: The First Avenger (2011) — Frail Steve Rogers becomes a super-soldier during WWII to fight the Nazi-splinter group HYDRA.
- The Avengers (2012) — Loki leads an alien invasion of New York, forcing Earth’s heroes to unite for the first time.
What it did: Established Tony Stark, Bruce Banner, Thor, and Steve Rogers as standalone heroes before uniting them for the first time in The Avengers — proving a shared cinematic universe could actually work.
Phase Two: Expanding the Universe (2013–2015)
Theme: Going bigger — cosmic threats, political intrigue, and new teams.
- Iron Man 3 (2013) — Tony battles PTSD after the Battle of New York while unraveling the mystery of the terrorist known as the Mandarin.
- Thor: The Dark World (2013) — Thor must stop the ancient Dark Elf Malekith from plunging the universe into darkness using the Aether.
- Captain America: The Winter Soldier (2014) — Steve Rogers uncovers a HYDRA conspiracy embedded within S.H.I.E.L.D. itself, facing a mysterious assassin from his past.
- Guardians of the Galaxy (2014) — A ragtag group of misfits — Star-Lord, Gamora, Drax, Rocket, and Groot — band together to stop a fanatic from destroying a planet.
- Avengers: Age of Ultron (2015) — Tony Stark’s AI experiment goes wrong, creating Ultron, an artificial intelligence bent on human extinction.
- Ant-Man (2015) — Scott Lang teams with Hank Pym to master size-shifting technology and pull off a high-stakes heist.
What it did: Pushed beyond Earth with Guardians of the Galaxy, deepened political stakes with Winter Soldier, and introduced Ultron as the team’s first fully internal threat.
Phase Three: The Infinity Saga Concludes (2016–2019)
Theme: Escalating toward Thanos and the Infinity Stones; the MCU’s most emotionally consequential era.
- Captain America: Civil War (2016) — The Avengers split into two factions over government oversight, pitting former allies against each other.
- Doctor Strange (2016) — A brilliant but arrogant surgeon becomes the Sorcerer Supreme after a car accident leads him to the mystic arts.
- Guardians of the Galaxy Vol. 2 (2017) — Star-Lord discovers his true parentage while the Guardians face a cosmic threat closer to home than expected.
- Spider-Man: Homecoming (2017) — Peter Parker balances high school life with proving himself as a hero, facing off against the Vulture.
- Thor: Ragnarok (2017) — Thor is stripped of his powers and forced into gladiatorial combat while his sister Hela threatens to destroy Asgard.
- Black Panther (2018) — T’Challa returns home to Wakanda to claim the throne, facing a challenger with a personal claim to it.
- Avengers: Infinity War (2018) — Thanos hunts down the Infinity Stones to erase half of all life in the universe, and the Avengers largely fail to stop him.
- Ant-Man and the Wasp (2018) — Scott Lang teams with Hope van Dyne to rescue her mother from the Quantum Realm.
- Captain Marvel (2019) — Carol Danvers uncovers her past as a human-Kree hybrid while caught in an intergalactic war.
- Avengers: Endgame (2019) — The surviving Avengers use time travel to undo Thanos’s snap, culminating in an emotional, sacrifice-filled final battle.
- Spider-Man: Far From Home (2019) — Peter Parker deals with Tony Stark’s legacy while facing the illusion-based villain Mysterio in Europe.
What it did: Fractured the Avengers in Civil War, introduced Black Panther and Captain Marvel, then delivered the devastating one-two punch of Infinity War and Endgame — closing out what’s now called the Infinity Saga (Phases 1–3).
Phase Four: A New Era Begins (2021–2022)
Theme: Life after Endgame — new heroes, multiverse seeds, and Disney+ series join the canon.
- WandaVision (2021, Disney+) — Wanda Maximoff, grieving Vision’s death, unknowingly traps a town in an idyllic sitcom-style reality.
- The Falcon and the Winter Soldier (2021, Disney+) — Sam Wilson and Bucky Barnes grapple with Captain America’s legacy while fighting a group of anti-nationalist radicals.
- Loki Season 1 (2021, Disney+) — A variant of Loki is recruited by the Time Variance Authority, setting up the MCU’s multiverse.
- Black Widow (2021) — Natasha Romanoff confronts her past as a Russian spy and reunites with her estranged “family.”
- What If…? Season 1 (2021, Disney+) — An animated anthology exploring alternate timelines across the MCU.
- Shang-Chi and the Legend of the Ten Rings (2021) — A martial artist is drawn back into his father’s secret criminal organization, the Ten Rings.
- Eternals (2021) — A team of ancient, immortal beings reveals themselves to protect Earth from the monstrous Deviants.
- Hawkeye (2021, Disney+) — Clint Barton trains a young archer, Kate Bishop, while unraveling a criminal conspiracy tied to his past as Ronin.
- Spider-Man: No Way Home (2021) — A spell gone wrong pulls villains — and heroes — from across the multiverse into Peter Parker’s world.
- Moon Knight (2022, Disney+) — A man with dissociative identity disorder discovers he’s the avatar of an Egyptian moon god.
- Doctor Strange in the Multiverse of Madness (2022) — Strange journeys across dangerous alternate universes to protect a young multiversal traveler.
- Ms. Marvel (2022, Disney+) — Teenager Kamala Khan discovers she has real superpowers tied to a mysterious family heirloom.
- Thor: Love and Thunder (2022) — Thor faces Gorr the God Butcher, a being hunting and killing gods across the universe.
- She-Hulk: Attorney at Law (2022, Disney+) — Lawyer Jennifer Walters gains Hulk-like powers and balances superhero life with her legal career.
- Black Panther: Wakanda Forever (2022) — Wakanda mourns T’Challa while defending itself from the underwater nation of Talokan.
What it did: Introduced the multiverse as a central concept, folded Disney+ shows directly into MCU continuity for the first time, and began mourning/replacing lost heroes (Black Widow, Black Panther) after Endgame.
Phase Five: The Multiverse Widens (2023–2024)
Theme: Kang the Conqueror rises as the next big threat (before a major creative pivot), alongside street-level and cosmic stories.
- Ant-Man and the Wasp: Quantumania (2023) — Scott Lang and his family are pulled into the Quantum Realm and confront Kang the Conqueror.
- Secret Invasion (2023, Disney+) — Nick Fury uncovers a decades-long shapeshifting Skrull infiltration of Earth’s institutions.
- Guardians of the Galaxy Vol. 3 (2023) — The Guardians go on a mission to save Rocket, confronting his traumatic origins and the High Evolutionary.
- Loki Season 2 (2023, Disney+) — Loki races to stabilize the timeline and the TVA after the events of Season 1’s finale.
- The Marvels (2023) — Carol Danvers, Kamala Khan, and Monica Rambeau join forces after their powers become entangled.
- Echo (2024, Disney+) — Maya Lopez returns home to confront her criminal past and reconnect with her Native American roots.
- Agatha All Along (2024, Disney+) — Agatha Harkness assembles a coven of witches to walk the dangerous Witches’ Road and reclaim her power.
- Daredevil: Born Again Season 1 (2025, Disney+) — Matt Murdock returns as Daredevil, facing Wilson Fisk’s rise to political power as New York’s mayor.
- Captain America: Brave New World (2025) — Sam Wilson, the new Captain America, navigates an international incident tied to a mysterious new threat.
- Thunderbolts (2025)* — A team of antiheroes and reformed villains is thrown together on a covert mission, later rebranding as the “New Avengers.”
What it did: Deepened multiverse stakes, closed out several Phase 4 storylines (Loki, Agatha), and pivoted away from Kang as the central villain following real-world casting changes — setting the stage for Doctor Doom to take his place.
Phase Six: The Multiverse Saga Concludes (2025–2027)
Theme: Bringing the Multiverse Saga to a close, uniting the Avengers, X-Men, and Fantastic Four against Doctor Doom.
- The Fantastic Four: First Steps (July 2025) — Marvel’s First Family, living in a retro-futuristic 1960s-inspired world, must protect Earth from the planet-devouring Galactus.
- Wonder Man (January 2026, Disney+) — Stuntman-turned-hero Simon Williams navigates Hollywood and his own emerging powers.
- Daredevil: Born Again Season 2 (March 2026, Disney+) — Matt Murdock continues his fight against Wilson Fisk’s grip on New York.
- Spider-Man: Brand New Day (July 31, 2026) — A forgotten Peter Parker rebuilds his life and heroics from scratch, teaming with Frank Castle/The Punisher.
- Avengers: Doomsday (December 18, 2026) — The Avengers, Wakandans, New Avengers, Fantastic Four, and classic X-Men unite against Robert Downey Jr.’s Doctor Doom.
- Avengers: Secret Wars (December 17, 2027) — Doctor Doom rules over Battleworld, a patchwork of merged realities, in what’s expected to close out the Multiverse Saga entirely.
What it did (so far): Brought the Fantastic Four into mainline continuity and is building toward Avengers: Doomsday, where multiple universes converge against Doctor Doom — with Secret Wars expected to close out the entire Multiverse Saga (Phases 4–6) and reset the MCU going into Phase Seven.
Highlights Across the Saga
- Robert Downey Jr.’s return — the actor who launched the MCU as Tony Stark now returns as its next major villain, Doctor Doom.
- The Russo Brothers are back — the directors of Infinity War and Endgame return for Doomsday and Secret Wars, mirroring the format that closed the Infinity Saga.
- X-Men crossover — original Fox-era actors (Ian McKellen, Rebecca Romijn, James Marsden, Alan Cumming) are set to appear in Doomsday, marking a historic merger of two once-separate franchises.
- A confirmed reboot — Secret Wars is expected to conclude the Multiverse Saga and usher in a new status quo for Phase Seven.
Why This Timeline Matters
- Understanding the phases helps make sense of why certain heroes appear together and others don’t.
- Each phase has a distinct narrative “mission” — Phase 1 builds heroes, Phase 2 expands the universe, Phase 3 pays it off, Phases 4–6 explore the multiverse and build to a reset.
- With Phase 6 wrapping up the entire Multiverse Saga, now is the perfect time to catch up before Secret Wars changes everything in Phase 7.
Recommendations — Best Entry Points If You’re Catching Up
- New to the MCU? Start with Iron Man (2008) — the true beginning.
- Want the essential emotional arc? Watch the “core six”: Iron Man, The Avengers, Captain America: Civil War, Avengers: Infinity War, Avengers: Endgame, and Spider-Man: No Way Home.
- Prepping for Doomsday? Prioritize The Fantastic Four: First Steps, Thunderbolts*, and Deadpool & Wolverine for direct setup.
- Want the full picture? Follow the phase-by-phase list above in release order for the complete experience.
Conclusion
The MCU’s phase structure isn’t just marketing — it’s the scaffolding that’s let Marvel Studios juggle dozens of characters across nearly two decades without losing the plot. As Phase Six barrels toward Avengers: Doomsday and the saga-ending Secret Wars, there’s never been a better time to catch up on this era before everything changes for Phase Seven.