TV series
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
Checked Sep 1, 2026
What If...? is available to stream on Disney+ in United States. Use the direct links below to open the provider.
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.
Choose an episode, then use the watch options above for the show.
Episode 1
When Steve Rogers is seriously injured, Peggy Carter becomes the world’s first Super Soldier.
Directed by Bryan AndrewsWritten by A.C. BradleyGuest stars Dominic Cooper, Josh Keaton, Stanley Tucci, Ross Marquand, Neal McDonough, Darrell Hammond, Isaac Robinson-Smith, Bradley Whitford
Episode 2
The rough-and-tumble space pirates known as the Ravagers abduct T’Challa instead of Peter Quill.
Directed by Bryan AndrewsWritten by Matthew ChaunceyGuest stars Michael Rooker, Josh Brolin, Carrie Coon, Djimon Hounsou, Benicio del Toro, Sean Gunn, Chris Sullivan, Ophelia Lovibond
Episode 3
Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.
Directed by Bryan AndrewsWritten by A.C. Bradley, Matthew ChaunceyGuest stars Michael Douglas, Stephanie Panisello, Elisa Gabrielli, David Michie, Shane Sweet, Mark Ruffalo, Michael Patrick McGill, Clark Gregg
Episode 4
A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.
Directed by Bryan AndrewsWritten by A.C. BradleyGuest stars Benedict Cumberbatch, Rachel McAdams, Benedict Wong, Tilda Swinton, Ike Amadi, Leslie Bibb, Chuck Billy, Robin Atkin Downes
Episode 5
When The Avengers are infected by a zombie plague, surviving heroes search for a cure.
Directed by Bryan AndrewsWritten by Matthew ChaunceyGuest stars Mark Ruffalo, Paul Bettany, Sebastian Stan, Evangeline Lilly, Jon Favreau, Paul Rudd, Emily VanCamp, David Dastmalchian
Episode 6
An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.
Directed by Bryan AndrewsWritten by Matthew ChaunceyGuest stars Chadwick Boseman, Angela Bassett, Danai Gurira, Andy Serkis, Paul Bettany, Leslie Bibb, Don Cheadle, John Kani
Episode 7
Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.
Directed by Bryan AndrewsWritten by A.C. BradleyGuest stars Natalie Portman, Kat Dennings, Jeff Goldblum, Cobie Smulders, Clark Gregg, Taika Waititi, Karen Gillan, Seth Green
Episode 8
Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.
Directed by Bryan AndrewsWritten by Matthew ChaunceyGuest stars Jeremy Renner, Ross Marquand, Piotr Michael, Alexandra Daniels, Josh Keaton, Dave B. Mitchell, Lake Bell, Shelby Young
Episode 9
The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.
Directed by Bryan AndrewsWritten by A.C. BradleyGuest stars Hayley Atwell, Frank Grillo, Lake Bell, Georges St-Pierre, Chadwick Boseman, Tom Hiddleston, Samuel L. Jackson, Toby Jones
Episode information updated Sep 13, 2026
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)
Disney+
Marvel StudiosUnited StatesMore shows like What If...?.
