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.
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.
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Where to watch in United States
Checked Jul 22, 2026
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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
Watch options above are for the show and may vary by season or episode.
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.
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.
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.
Episode 5
What If... Zombies!?
When The Avengers are infected by a zombie plague, surviving heroes search for a cure.
Episode 6
What If... Killmonger Rescued Tony Stark?
An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.
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.
Episode 8
What If... Ultron Won?
Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.
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.
Episode information updated Jul 22, 2026
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