Series Phase 4
What If...? season 1
Season 1 · Phase 4 · Aug 11, 2021 · 9 episodes
Part of What If...?
Order
In-universe Multiverse · MCU Phase 4
- Release order46 of 85Previous: Black WidowNext: Shang-Chi and the Legend of the Ten Rings
- Story order46 of 85Previous: Loki season 1Next: Marvel Zombies
Characters in this season
The Watcher Jeffrey Wright 
Hulk Mark Ruffalo 
Bucky Barnes Sebastian Stan 
Captain America Josh Keaton 
Ebony Maw Tom Vaughan-Lawlor 
Okoye Danai Gurira 
Ultron Ross Marquand 
Black Panther Chadwick Boseman 
Hawkeye Jeremy Renner 
Captain Marvel Alexandra Daniels 
Peggy Carter / Captain Carter Hayley Atwell 
Brock Rumlow Frank Grillo 
Natasha Romanoff / Black Widow Lake Bell 
Loki Tom Hiddleston 
Nick Fury Samuel L. Jackson 
Doctor Strange Benedict Cumberbatch 
Arnim Zola Toby Jones 
Iron Man Mick Wingert 
Thor Chris Hemsworth 
Ant-Man Paul Rudd Cameo
Spider-Man Hudson Thames Cameo
Plot
Season 1, 9 episodes, first aired Aug 11, 2021.
About the show
Exploring pivotal moments from the Marvel Cinematic Universe and turning them on their head, leading the audience into uncharted territory.
Trailer
Official Trailer
Episodes
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Episode 1: What If... Captain Carter Were the First Avenger?
When Steve Rogers is seriously injured, Peggy Carter becomes the world's first super soldier.
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Episode 2: What If... T'Challa Became a Star-Lord?
The rough-and-tumble space pirates known as the Ravagers abduct T'Challa instead of Peter Quill.
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Episode 3: What If... The World Lost Its Mightiest Heroes?
Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.
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Episode 4: What If... Doctor Strange Lost His Heart Instead of His Hands?
A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.
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Episode 5: What If... Zombies?!
When The Avengers are infected by a zombie plague, surviving heroes search for a cure.
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Episode 6: What If... Killmonger Rescued Tony Stark?
Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan and manipulates his influence for his designs of conquering Wakanda.
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Episode 7: What If... Thor Were an Only Child?
Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.
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Episode 8: What If... Ultron Won?
Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.
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Episode 9: What If... The Watcher Broke His Oath?
The Watcher gathers heroes from across the multiverse for one final battle against Infinity Ultron.
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