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.
You can now watch What If...? online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | What If… Captain Carter Were The First Avenger? | 2021-08-11 | 33 min |
| Season 1 | Episode 2 | What If… T'Challa Became a Star-Lord? | 2021-08-18 | 32 min |
| Season 1 | Episode 3 | What If... The World Lost its Mightiest Heroes? | 2021-08-25 | 32 min |
| Season 1 | Episode 4 | What If… Doctor Strange Lost His Heart Instead of His Hands? | 2021-09-01 | 36 min |
| Season 1 | Episode 5 | What If... Zombies!? | 2021-09-08 | 30 min |
| Season 1 | Episode 6 | What If… Killmonger Rescued Tony Stark? | 2021-09-15 | 33 min |
| Season 1 | Episode 7 | What If… Thor Were an Only Child? | 2021-09-22 | 33 min |
| Season 1 | Episode 8 | What If... Ultron Won? | 2021-09-29 | 30 min |
| Season 1 | Episode 9 | What If... The Watcher Broke His Oath? | 2021-10-06 | 35 min |
| Season 2 | Episode 1 | What If... Nebula Joined the Nova Corps? | 2023-12-22 | 29 min |
| Season 2 | Episode 2 | What If... Peter Quill Attacked Earth's Mightiest Heroes? | 2023-12-23 | 30 min |
| Season 2 | Episode 3 | What If... Happy Hogan Saved Christmas? | 2023-12-24 | 27 min |
| Season 2 | Episode 4 | What If... Iron Man Crashed into the Grandmaster? | 2023-12-25 | 32 min |
| Season 2 | Episode 5 | What If... Captain Carter Fought the Hydra Stomper? | 2023-12-26 | 31 min |
| Season 2 | Episode 6 | What If... Kahhori Reshaped the World? | 2023-12-27 | 32 min |
| Season 2 | Episode 7 | What If... Hela Found the Ten Rings? | 2023-12-28 | 29 min |
| Season 2 | Episode 8 | What If... The Avengers Assembled in 1602? | 2023-12-29 | 30 min |
| Season 2 | Episode 9 | What If... Strange Supreme Intervened? | 2023-12-30 | 31 min |
| Season 3 | Episode 1 | What If... The Hulk Fought The Mech Avengers? | 2024-12-22 | min |
| Season 3 | Episode 2 | What If... Agatha Went To Hollywood? | 2024-12-23 | min |
| Season 3 | Episode 3 | What If... The Red Guardian Stopped The Winter Soldier? | 2024-12-24 | min |
| Season 3 | Episode 4 | What If... Howard The Duck Got Hitched? | 2024-12-25 | min |
| Season 3 | Episode 5 | What If... The Emergence Destroyed The Earth? | 2024-12-26 | min |
| Season 3 | Episode 6 | What If... 1872? | 2024-12-27 | min |
| Season 3 | Episode 7 | What If... The Watcher Disappeared? | 2024-12-28 | min |
| Season 3 | Episode 8 | What If... What If? | 2024-12-29 | min |
| Production | Matthew Chauncey | Co-Executive Producer |
| Production | Dana Vasquez-Eberhardt | Executive Producer |
| Production | Alex Scharf | Producer |
| Production | Danielle Costa | Producer |
| Production | Brad Winderbaum | Executive Producer |
| Production | Kevin Feige | Executive Producer |
| Production | Louis D'Esposito | Executive Producer |
| Sound | Laura Karpman | Original Music Composer |
| Production | Bryan Andrews | Executive Producer |
| Production | Carrie Wassenaar | Producer |
| Production | Sarah Halley Finn | Consulting Producer |
