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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.

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Series Cast

  1. Jeffrey Wright as The Watcher (voice)

    Jeffrey Wright

    The Watcher (voice)

    18 Episodes

  2. Terri Douglas as Additional Voices (voice)

    Terri Douglas

    Additional Voices (voice)

    17 Episodes

  3. Hayley Atwell as Captain Carter (voice), Peggy Carter / Captain Carter (voice), and Peggy Carter (voice)

    Hayley Atwell

    Captain Carter (voice), Peggy Carter / Captain Carter (voice), Peggy Carter (voice)

    15 Episodes

  4. Matthew Wood as Additional Voices (voice)

    Matthew Wood

    Additional Voices (voice)

    15 Episodes

  5. Robin Atkin Downes as Additional Voices (voice)

    Robin Atkin Downes

    Additional Voices (voice)

    11 Episodes

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

    Fred Tatasciore

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

    10 Episodes

  7. Helen Sadler as Additional Voices (voice)

    Helen Sadler

    Additional Voices (voice)

    7 Episodes

  8. Josh Keaton as Steve Rogers / Captain America (voice), Skinny Steve Rogers (voice), Steve Rogers (voice), Steve Rogers / Rogers Hood (voice), and Steve Rogers / The Hydra Stomper (voice)

    Josh Keaton

    Steve Rogers / Captain America (voice), Skinny Steve Rogers (voice), Steve Rogers (voice), Steve Rogers / Rogers Hood (voice) and 1 more...

    7 Episodes

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

    Mick Wingert

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

    7 Episodes

  10. View More

Full Cast & Crew

Current 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... Strange Supreme Intervened?

(2x9, December 30, 2023) Season Finale

View All Seasons

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


Status Returning Series


  • See more TV shows from Disney+...

Type Scripted

Original Language English


Content Score 


Just a little bit more...

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

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