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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TV series
What If...?
2021TV-143 seasons8.0 / 10
One question changes everything.
Taking inspiration from the comic books of the same name, each episode of this animated anthology series questions, revisits and twists classic Marvel Cinematic moments.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
What If...? is available to stream on Disney+ in United States. Use the direct links below to open the provider.
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Synopsis
Taking inspiration from the comic books of the same name, each episode of this animated anthology series questions, revisits and twists classic Marvel Cinematic moments.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
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?
An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.
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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 breaks his oath and recruits heroes from across the multiverse to battle against Ultron.
Where to watch What If...?Episode information updated Jul 22, 2026
More about What If...?
Cast
Jeffrey WrightThe Watcher (voice)
Debra WilsonAdditional Voices (voice)
Taika WaititiKorg (voice)
Karen GillanNebula (voice)
Chadwick BosemanT'Challa / Black Panther (voice)
Seth GreenHoward the Duck (voice)
Michael RalphAdditional Voices (voice)
June ChristopherAdditional Voices (voice)Credits
- Written by
- A.C. Bradley, Matthew Chauncey, Ryan Little, Ryan Little, Matthew Chauncey, Bryan Andrews, Matthew Chauncey, Ryan Little, A.C. Bradley
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 26
- Original language
- English
Networks & production
Disney+
Marvel StudiosUnited States
Themes
alternate timelineanthologymarvel cinematic universe (mcu)multiversesuperhero
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