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One question changes everything.


Taking inspiration from the comic books of the same name, each episode explores a pivotal moment from the Marvel Cinematic Universe and turns it on its head, leading the audience into uncharted territory.

Series Cast

  1. Jeffrey Wright as Uatu / The Watcher (voice)

    Jeffrey Wright

    Uatu / The Watcher (voice)

    18 Episodes

  2. Terri Douglas as Additional Voices (voice)

    Terri Douglas

    Additional Voices (voice)

    8 Episodes

  3. Matthew Wood as Additional Voices (voice)

    Matthew Wood

    Additional Voices (voice)

    7 Episodes

  4. Robin Atkin Downes as Additional Voices (voice)

    Robin Atkin Downes

    Additional Voices (voice)

    6 Episodes

  5. Fred Tatasciore as Additional Voices (voice), Volstagg / Drax / Additional Voices (voice), and Drax / Corvus Glaive (voice)

    Fred Tatasciore

    Additional Voices (voice), Volstagg / Drax / Additional Voices (voice), Drax / Corvus Glaive (voice)

    5 Episodes

  6. Chadwick Boseman as Star Lord T'Challa (voice) and T'Challa / Black Panther (voice)

    Chadwick Boseman

    Star Lord T'Challa (voice), T'Challa / Black Panther (voice)

    4 Episodes

  7. Michael Ralph as Additional Voices (voice)

    Michael Ralph

    Additional Voices (voice)

    4 Episodes

  8. Mick Wingert as Tony Stark / Iron Man (voice) and Tony Stark (voice)

    Mick Wingert

    Tony Stark / Iron Man (voice), Tony Stark (voice)

    4 Episodes

  9. Piotr Michael as Additional Voices (voice)

    Piotr Michael

    Additional Voices (voice)

    4 Episodes

  10. View More

Full Cast & Crew

Next Season

Season 2

2023 • 9 Episodes

Season two continues the journey as The Watcher guides viewers through the vast multiverse, introducing brand new and familiar faces throughout the MCU.

What If... Nebula Joined the Nova Corps?

(2x1, December 22, 2023)

View All Seasons

What If...?
What If...?


Status Returning Series


  • See more TV shows from Disney+...

Type Scripted

Original Language English


Content Score 


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  • Created by credit
  • Regular cast members (4 or more)

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