‘What If…?’ Season 3 Cast and Character Guide: Who Returns to the MCU and Who’s New?

“What If…?” is back for one more round on Disney+, with Season 3 wrapping up Marvel’s animated series.
Beginning on Dec. 22, the streamer will release one new episode every day for eight days, each one reimagining the lives of various MCU characters. As always, Jeffrey Wright voices The Watcher, and several vets are returning to voice the animated versions of their characters.
But there are also new voices in there too. So, let’s break it down.
Episode 1
Episode 1 is called “What If…The Hulk fought the Mech Avengers?” and centers on Sam Wilson’s Captain America, as he has to don a massive mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Among his new team of mech Avengers is Bucky Barnes, Monica Rambeau, Moon Knight, and more.
The voice cast for this episode includes:
The Watcher — Jeffrey Wright Sam...
Beginning on Dec. 22, the streamer will release one new episode every day for eight days, each one reimagining the lives of various MCU characters. As always, Jeffrey Wright voices The Watcher, and several vets are returning to voice the animated versions of their characters.
But there are also new voices in there too. So, let’s break it down.
Episode 1
Episode 1 is called “What If…The Hulk fought the Mech Avengers?” and centers on Sam Wilson’s Captain America, as he has to don a massive mech suit to battle Bruce Banner after an attempt to cure himself of the Hulk goes horribly wrong. Among his new team of mech Avengers is Bucky Barnes, Monica Rambeau, Moon Knight, and more.
The voice cast for this episode includes:
The Watcher — Jeffrey Wright Sam...
- 12/23/2024
- by Andi Ortiz
- The Wrap
Similar News
Charlie Cox Spends Another Late Night on Set of 'Daredevil: Born Again' Season 2 in Brooklyn
- 5/9/2025
- by Just Jared
- Just Jared

I’m So Glad Marvel Scrapped the “Kick-a** plot” That Was the Original Script for ‘Captain America: The First Avenger’
- 5/9/2025
- by Visarg Acharya
- FandomWire

Andor Season 2: My issues with Cassian's character development this season
- 5/9/2025
- by Mehwish Mahmood
- https://dorksideoftheforce.com/

I Am Glad MCU Canceled the Red Hulk Plan for Thunderbolts*, Sentry vs Hulk Should Be Saved for Mark Ruffalo
- 5/9/2025
- by Maria Sultan
- FandomWire

Upcoming Comic Convention Appearance Leads To Speculation About Brie Larson's Avengers: Doomsday Role
- 5/8/2025
- ComicBookMovie.com

Mare of Easttown Creator's New Series Starring Mark Ruffalo As Head Of FBI Task Force Gets First-Look Images
- 5/8/2025
- by Adam Bentz
- ScreenRant

Where to Watch ‘Friendship’: Is Tim Robinson and Paul Rudd’s Comedy Streaming?
- 5/9/2025
- by Jacob Bryant
- The Wrap

Pope Leo Xiv Watched ‘Conclave’ Before He Was Elected, Brother Says
- 5/9/2025
- by Alex Welch
- The Wrap

Industry Entertainment Drops Manager Dan Spilo Following Alan Ritchson Incident on Set of ‘Runner’
- 5/9/2025
- by Umberto Gonzalez
- The Wrap

IMDb.com, Inc. takes no responsibility for the content or accuracy of the above news articles, Tweets, or blog posts. This content is published for the entertainment of our users only. The news articles, Tweets, and blog posts do not represent IMDb's opinions nor can we guarantee that the reporting therein is completely factual. Please visit the source responsible for the item in question to report any concerns you may have regarding content or accuracy.