Georges St-Pierre as Georges Batroc (Season 1).Josh Keaton as Steve Rogers/HYDRA Stomper / Steve Rogers/Captain America / Steve Rogers (Season 1).Alexandra Daniels as Carol Danvers/Captain Marvel / Carol Danvers/Captain Marvel / Carol Danvers/Captain Marvel (Season 1).Cobie Smulders as Maria Hill (Season 1).Jeff Goldblum as En Dwi Gast/Grandmaster (Season 1).Natalie Portman as Jane Foster (Season 1).Andy Serkis as Ulysses Klaue (Season 1).Jordan as N'Jadaka/Erik Killmonger (Season 1) Hudson Thames as Peter Parker/Spider-Man (Season 1).David Dastmalchian as Kurt Goreshter (Season 1).Emily VanCamp as Sharon Carter (Season 1).Jon Favreau as Happy Hogan / Happy Hogan (Season 1).Paul Rudd as Scott Lang/Ant-Man (Season 1).Evangeline Lilly as Hope van Dyne/Wasp (Season 1).Leslie Bibb as Christine Everhart / Christine Everhart (Season 1).Ike Amadi as O'Bengh/Cagliostro (Season 1).Tilda Swinton as Ancient One (Season 1).Rachel McAdams as Christine Palmer (Season 1).Benedict Cumberbatch as Stephen Strange/Doctor Strange / Stephen Strange/Doctor Strange (Season 1).Mick Wingert as Tony Stark/Iron Man / Tony Stark / Tony Stark/Iron Man / Tony Stark/Iron Man / Tony Stark/Iron Man (Season 1).Lake Bell as Natasha Romanoff/Black Widow / Natasha Romanoff/Black Widow / Natasha Romanoff/Black Widow (Season 1).Frank Grillo as Brock Rumlow / Brock Rumlow / Brock Rumlow (Season 1).Jaimie Alexander as Sif / Sif (Season 1).Clark Gregg as Phil Coulson / Phil Coulson (Season 1).Tom Hiddleston as Loki / Loki (Season 1).Mark Ruffalo as Bruce Banner/Hulk / Bruce Banner/Hulk (Season 1).Jeremy Renner as Clint Barton/Hawkeye / Clint Barton/Hawkeye / Clint Barton/Hawkeye (Season 1).Jackson as Nick Fury / Nick Fury / Nick Fury (Season 1) Danai Gurira as Okoye / Okoye / Okoye (Season 1).Seth Green as Howard the Duck / Howard the Duck (Season 1).Sean Gunn as Kraglin Obfonteri (Season 1).John Kani as T'Chaka / T'Chaka (Season 1).Djimon Hounsou as Korath the Pursuer (Season 1).Karen Gillan as Nebula / Nebula (Season 1).Tom Vaughan-Lawlor as Ebony Maw / Ebony Maw (Season 1).Carrie Coon as Proxima Midnight (Season 1).Benicio del Toro as Taneleer Tivan/Collector (Season 1).Michael Rooker as Yondu Udonta (Season 1).Chadwick Boseman as T'Challa/Star-Lord / T'Challa/Black Panther / T'Challa/Black Panther (Season 1).Darrell Hammond as General Roeder (Season 1).Ross Marquand as Johann Schmidt/Red Skull / Ultron (Season 1).Bradley Whitford as John Flynn (Season 1).Toby Jones as Arnim Zola / Arnim Zola (Season 1).
Stanley Tucci as Abraham Erskine (Season 1).Dominic Cooper as Howard Stark (Season 1).Sebastian Stan as Bucky Barnes / Bucky Barnes/Winter Soldier (Season 1).Hayley Atwell as Peggy Carter/Captain Carter (Seasons 1-2).Jeffrey Wright as Uatu/The Watcher (Seasons 1-2).Season TwoĪfter enlisting the Guardians of the Multiverse to stop Infinity Ultron, The Watcher returns in Season 2 of What If.? to meet new heroes and explore more strange new worlds in the MCU's ever-expanding Multiverse. The anthology reimagines numerous major events from the movies in game-changing ways, and also features Chadwick Boseman, who was able to reprise T'Challa via voice work before his death. What if instead of Steve Rogers, Peggy Carter ( Hayley Atwell) actually became the first Super Soldier? That creative brainstorming exercise is the heart of What If.?, the Marvel Cinematic Universe's first animated series.