Episodes
1. What If... Nebula Joined the Nova Corps?
6.3
December 22, 2023
31 min
When Nebula is recruited to join the Nova Corps, she sets out to prove her detective skills.
Guest Stars:
Taika Waititi, Karen Gillan, Seth Green, Dave B. Mitchell, Helen Sadler
2. What If... Peter Quill Attacked Earth's Mightiest Heroes?
6.4
December 23, 2023
32 min
When Ego and a young Peter Quill threaten Earth in 1988, Howard Stark and Peggy Carter form a team.
Guest Stars:
Debra Wilson, Helen Sadler, Matthew Wood, Fred Tatasciore, Terri Douglas
3. What If... Happy Hogan Saved Christmas?
5.8
December 24, 2023
29 min
When Avengers Tower is attacked during the holiday party, Happy Hogan must prove his hero chops.
Guest Stars:
Cobie Smulders, June Christopher, Jeremy Renner, Josh Keaton, Dave B. Mitchell
4. What If... Iron Man Crashed Into the Grandmaster?
6.8
December 25, 2023
34 min
Tony Stark challenges The Grandmaster, leading to a grand prix-turned-demolition-derby death match.
Guest Stars:
Josh Brolin, Jeff Goldblum, Taika Waititi, Rachel House, Michael Ralph
5. What If... Captain Carter Fought the Hydra Stomper?
6.5
December 26, 2023
33 min
Captain Carter's mission to save Steve Rogers sets her on a collision course with new enemies.
Guest Stars:
Sebastian Stan, Piotr Michael, Hayley Atwell, Frank Grillo, Lake Bell
6. What If... Kahhori Reshaped the World?
6.4
December 27, 2023
34 min
A Mohawk woman ventures into the waters of the Forbidden Lake to help save her people.
Guest Stars:
Benedict Cumberbatch, Clancy Brown, Terri Douglas, Devery Jacobs, Kiawentiio
7. What If... Hela Found the Ten Rings?
6.8
December 28, 2023
31 min
Hela—stripped of her powers and banished to Earth—comes across a new source of power: the Ten Rings.
Guest Stars:
Michael Ralph, Matthew Wood, Fred Tatasciore, Terri Douglas, David W. Collins
8. What If... The Avengers Assembled in 1602?
6.6
December 29, 2023
32 min
Captain Carter tries to undo the anomaly that strands familiar heroes and villains in the year 1602.
Guest Stars:
Benedict Cumberbatch, Mark Ruffalo, Sebastian Stan, Paul Rudd, Debra Wilson
