What If...? (season 1)

The first season of the American animated anthology series What If...? is based on the Marvel Comics series of the same name. It is part of the Marvel Cinematic Universe (MCU), but each episode is set in a different universe. Jeffrey Wright stars as the voice of the Watcher, the narrator of the series. Many actors from the MCU movies return to voice their characters, while some are replaced by other voice actors.

What If...?
Starring	Jeffrey Wright
No. of episodes	9
Release
Original network	Disney+
Original release	August 11 (2021-08-11) – October 6, 2021 (2021-10-06)
Season chronology

The season premiered on Disney+ on August 11, 2021 and ended on October 6, after nine episodes. It is part of Phase Four of the MCU. It got positive reviews. A second season was released in 2023.^[1]

Episodes

No. overall	No. in season	Title	Directed by	Written by	Original release date
1	1	"What If... Captain Carter Were the First Avenger?"	Bryan Andrews	A. C. Bradley	August 11, 2021 (2021-08-11)
Cast: Hayley Atwell as Peggy Carter / Captain Carter, Sebastian Stan as Bucky Barnes, Dominic Cooper as Howard Stark, Stanley Tucci as Abraham Erskine, Toby Jones as Arnim Zola, Bradley Whitford as John Flynn, Ross Marquand as Johann Schmidt / Red Skull, and Darrell Hammond as a Nazi general
2	2	"What If... T'Challa Became a Star-Lord?"	Bryan Andrews	A. C. Bradley	August 18, 2021 (2021-08-18)
Cast: Chadwick Boseman as Star-Lord T'Challa, Michael Rooker as Yondu Udonta, Josh Brolin as Thanos, Benicio del Toro as Taneleer Tivan / The Collector, Kurt Russell as Ego, Ophelia Lovibond as Carina, Carrie Coon as Proxima Midnight, Tom Vaughan-Lawlor as Ebony Maw, Karen Gillan as Nebula, Djimon Hounsou as Korath the Pursuer, John Kani as T'Chaka, Sean Gunn as Kraglin Obfonteri, Chris Sullivan as Taserface, Seth Green as Howard the Duck, and Danai Gurira as Okoye
3	3	"What If... the World Lost Its Mightiest Heroes?"	Bryan Andrews	A. C. Bradley & Matthew Chauncey	August 25, 2021 (2021-08-25)
Cast: Samuel L. Jackson as Nick Fury, Jeremy Renner as Clint Barton / Hawkeye, Mark Ruffalo as Bruce Banner / Hulk, Tom Hiddleston as Loki, Clark Gregg as Phil Coulson, Jaimie Alexander as Sif, Frank Grillo as Brock Rumlow, Lake Bell as Natasha Romanoff / Black Widow, and Mick Wingert as Tony Stark / Iron Man
4	4	"What If... Doctor Strange Lost His Heart Instead of His Hands?"	Bryan Andrews	A. C. Bradley	September 1, 2021 (2021-09-01)
Cast: Benedict Cumberbatch as Dr. Stephen Strange and Doctor Strange Supreme, Rachel McAdams as Christine Palmer, Benedict Wong as Wong, Tilda Swinton as the Ancient One, Ike Amadi as O'Bengh, and Leslie Bibb as Christine Everhart
5	5	"What If... Zombies?!"	Bryan Andrews	Matthew Chauncey	September 8, 2021 (2021-09-08)
Cast: Mark Ruffalo as Bruce Banner / Hulk, Chadwick Boseman as T'Challa / Black Panther, Paul Bettany as Vision, Sebastian Stan as Bucky Barnes, Evangeline Lilly as Hope van Dyne / Wasp, Paul Rudd as Scott Lang / Ant-Man, Jon Favreau as Harold "Happy" Hogan / Zombie Happy, Danai Gurira as Okoye, Emily VanCamp as Sharon Carter, David Dastmalchian as Kurt, Hudson Thames as Peter Parker / Spider-Man, and Tom Vaughan-Lawlor as Ebony Maw
6	6	"What If... Killmonger Rescued Tony Stark?"	Bryan Andrews	Matthew Chauncey	September 15, 2021 (2021-09-15)
Cast: Michael B. Jordan as N'Jadaka / Erik "Killmonger" Stevens, Jon Favreau as Happy Hogan, Chadwick Boseman as T'Challa / Black Panther, Angela Bassett as Ramonda, Danai Gurira as Okoye, Andy Serkis as Ulysses Klaue, Don Cheadle as James "Rhodey" Rhodes, Paul Bettany as J.A.R.V.I.S., John Kani as T'Chaka, Leslie Bibb as Christine Everhart, and Mick Wingert as Tony Stark
7	7	"What If... Thor Were an Only Child?"	Bryan Andrews	A. C. Bradley	September 22, 2021 (2021-09-22)
Cast: Chris Hemsworth as Thor, Natalie Portman as Jane Foster, Tom Hiddleston as Loki, Kat Dennings as Darcy Lewis, Samuel L. Jackson as Nick Fury, Jeff Goldblum as the Grandmaster, Cobie Smulders as Maria Hill, Clark Gregg as Phil Coulson, Frank Grillo as Brock Rumlow, Taika Waititi as Korg, Karen Gillan as Nebula, Jaimie Alexander as Sif, Seth Green as Howard the Duck, Alexandra Daniels as Carol Danvers / Captain Marvel, and Rachel House as Topaz
8	8	"What If... Ultron Won?"	Bryan Andrews	A. C. Bradley	September 27, 2021 (2021-09-27)
Cast: Jeremy Renner as Clint Barton / Hawkeye, Lake Bell as Natasha Romanoff / Black Widow, Toby Jones as Arnim Zola, Ross Marquand as Ultron and the Sub-Ultron Sentries, Josh Keaton as Steve Rogers / Captain America, Mick Wingert as Tony Stark / Iron Man, Alexandra Daniels as Carol Danvers / Captain Marvel, and Benedict Cumberbatch as Doctor Strange Supreme
9	9	"What If... the Watcher Broke His Oath?"	Bryan Andrews	A. C. Bradley	October 6, 2021 (2021-10-06)
Cast: Hayley Atwell as Peggy Carter / Captain Carter, Lake Bell as Natasha Romanoff / Black Widow, Frank Grillo as Brock Rumlow, Georges St-Pierre as Georges Batroc, Chadwick Boseman as Star-Lord T'Challa, Michael B. Jordan as N'Jadaka / Erik "Killmonger" Stevens, Chris Hemsworth as Thor, Benedict Cumberbatch as Doctor Strange Supreme, Toby Jones as Arnim Zola, Tom Hiddleston as Loki, Kurt Russell as Ego, Samuel L. Jackson as Nick Fury, and Mick Wingert as Tony Stark / Iron Man