| Episode | Title | Premiere |
|---|---|---|
| 09 | What If... The Watcher Broke His Oath? | October 6, 2021 |
| 08 | What If... Ultron Won? | September 29, 2021 |
| 07 | What If... Thor Were an Only Child? | September 22, 2021 |
| 06 | What If... Killmonger Rescued Tony Stark? | September 15, 2021 |
| 05 | What If... Zombies?! | September 8, 2021 |
| 04 | What If... Doctor Strange Lost His Heart Instead of His Hands? | September 1, 2021 |
| 03 | What If... The World Lost Its Mightiest Heroes? | August 25, 2021 |
| 02 | What If... T'Challa Became a Star-Lord? | August 18, 2021 |
| 01 | What If... Captain Carter Were the First Avenger? | August 11, 2021 |
| Episode | Title | Premiere |
|---|---|---|
| 09 | What If... Strange Supreme Intervened? | December 30, 2023 |
| 08 | What If... The Avengers Assembled in 1602? | December 29, 2023 |
| 07 | What If... Hela Found the Ten Rings? | December 28, 2023 |
| 06 | What If... Kahhori Reshaped the World? | December 27, 2023 |
| 05 | What If... Captain Carter Fought the Hydra Stomper? | December 26, 2023 |
| 04 | What If... Iron Man Crashed Into the Grandmaster? | December 25, 2023 |
| 03 | What If... Happy Hogan Saved Christmas? | December 24, 2023 |
| 02 | What If... Peter Quill Attacked Earth's Mightiest Heroes? | December 23, 2023 |
| 01 | What If... Nebula Joined the Nova Corps? | December 22, 2023 |
| Episode | Title | Premiere |
|---|---|---|
| 08 | What If... What If? | December 29, 2024 |
| 07 | What If... The Watcher Disappeared? | December 28, 2024 |
| 06 | What If... 1872? | December 27, 2024 |
| 05 | What If... The Emergence Destroyed the Earth? | December 26, 2024 |
| 04 | What If... Howard the Duck Got Hitched? | December 25, 2024 |
| 03 | What If... The Red Guardian Stopped the Winter Soldier? | December 24, 2024 |
| 02 | What If... Agatha Went to Hollywood? | December 23, 2024 |
| 01 | What If... The Hulk Fought the Mech Avengers? | December 22, 2024 |
