Marvel's What If...?/What If... the World Lost Its Mightiest Heroes?

What If... the World Lost Its Mightiest Heroes?
Season 1, Episode 3
Release date	August 25, 2021
Written by	A.C. Bradley & Matthew Chauncey
Directed by	Bryan Andrews
← 1x02 What If... T'Challa Became a Star-Lord?	1x04 → What If... Doctor Strange Lost His Heart Instead of His Hands?
Marvel's What If...? — Season One

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What If... the World Lost Its Mightiest Heroes? is the third episode of the first season of Marvel's What If...?.

Jeffrey Wright (The Watcher), Samuel L. Jackson (Nick Fury), Jeremy Renner (Clint Barton / Hawkeye), Mark Ruffalo (Bruce Banner / Hulk), Tom Hiddleston (Loki), Clark Gregg (Agent Coulson), Jaimie Alexander (Lady Sif), Frank Grillo (Brock Rumlow), Lake Bell (Natasha Romanoff / Black Widow), Mick Wingert (Tony Stark / Iron Man)

Cast: Jeffrey Wright (The Watcher), Samuel L. Jackson (Nick Fury), Michael Douglas (Hank Pym / Yellow Jacket), Lake Bell (Natasha Romanoff / Black Widow), Mick Wingert (Tony Stark / Iron Man), Clark Gregg (Agent Coulson), Frank Grillo (Brock Rumlow), Jeremy Renner (Clint Barton / Hawkeye), Stephanie Panisello (Betty Ross), Mark Ruffalo (Bruce Banner / Hulk), Tom Hiddleston (Loki), Mike McGill (General Ross), Jaimie Alexander (Lady Sif), Alexandra Daniels (Carol Danvers / Captain Marvel)

Terri Douglas, Elisa Gabrielli, Piotr Michael, David Michie, Arthur Ortiz, Shane Sweet, Matthew Wood, Shelby Young (Additional Voices)