Avengers: Doomsday Cast – Who’s Coming and Their Marvel Legacy

Marvel Studios has pulled out all the stops for Avengers: Doomsday, set to hit theaters on May 1, 2026. Announced on March 27, 2025, this blockbuster brings together an unprecedented roster of over 30 confirmed actors, blending MCU veterans, fresh faces, and iconic characters from the Fox X-Men universe. Directed by the Russo Brothers and featuring Robert Downey Jr. as Doctor Doom, this film promises to be a multiversal spectacle. Below, we dive into who’s joining the cast and spotlight their previous Marvel roles—short, sweet, and packed with info to get you hyped.

The Big Return: Robert Downey Jr. as Doctor Doom

Kicking things off is Robert Downey Jr., who swaps his Iron Man suit for the menacing mask of Victor von Doom. Downey launched the MCU as Tony Stark in Iron Man (2008), starring in nine films, including Avengers: Endgame (2019), where he made the ultimate sacrifice. Now, he’s back as the villainous Doctor Doom, a Latverian genius whose intellect rivals Stark’s. This twist has fans buzzing about how he’ll face off against Earth’s Mightiest Heroes.

Chris Hemsworth as Thor

The God of Thunder, Chris Hemsworth, returns as Thor. He debuted in Thor (2011) and has swung Mjölnir through four solo films and four Avengers outings, last seen in Thor: Love and Thunder (2022). His charm and power make him a cornerstone of this ensemble.

Anthony Mackie as Captain America

Anthony Mackie steps up as Sam Wilson, the new Captain America. Introduced as Falcon in Captain America: The Winter Soldier (2014), he took up the shield in The Falcon and the Winter Soldier (2021). His grounded heroism will anchor the team.

Sebastian Stan as Winter Soldier

Sebastian Stan’s Bucky Barnes, the Winter Soldier, joins the fray. First seen in Captain America: The First Avenger (2011), he’s battled alongside Cap in five films and starred in The Falcon and the Winter Soldier. His brooding intensity adds grit to the lineup.

Paul Rudd as Ant-Man

Paul Rudd brings Scott Lang, Ant-Man, back to shrink and save the day. Debuting in Ant-Man (2015), he’s appeared in three solo films and Avengers: Endgame. His humor and heart are sure to lighten the multiversal chaos.

Tom Hiddleston as Loki

Tom Hiddleston’s Loki, the trickster god, slinks back in. Introduced in Thor (2011), he’s popped up in six films and led the Loki series (2021-2023), mastering multiversal mischief. His unpredictable nature will stir the pot.

Benedict Cumberbatch as Doctor Strange

Benedict Cumberbatch returns as Doctor Strange. Since Doctor Strange (2016), he’s wielded magic in three films, including Doctor Strange in the Multiverse of Madness (2022). He’s key to navigating Doom’s multiversal schemes.

Chris Evans in a Mystery Role

Chris Evans makes a surprise return after retiring as Steve Rogers in Avengers: Endgame. He debuted as Captain America in The First Avenger (2011), starring in seven films. Whether he’s Steve, a variant, or someone new, his comeback is a fan-favorite moment.

Hayley Atwell as Peggy Carter

Hayley Atwell reprises Peggy Carter. First seen in The First Avenger, she’s appeared in four films and voiced Captain Carter in What If…? (2021-2023). Her multiversal twist adds nostalgia and strength.

The Fantastic Four Join the Fight

The Fantastic Four crash the party after The Fantastic Four: First Steps (2025). Pedro Pascal plays Reed Richards (Mister Fantastic), Vanessa Kirby is Sue Storm (Invisible Woman), Joseph Quinn is Johnny Storm (Human Torch), and Ebon Moss-Bachrach is Ben Grimm (The Thing). This is their MCU debut as a team, bringing science and family vibes.

Thunderbolts Assemble

The Thunderbolts* crew storms in post their 2025 film. Florence Pugh’s Yelena Belova, from Black Widow (2021), leads with sass. David Harbour’s Red Guardian, also from Black Widow, adds brawn. Wyatt Russell’s John Walker debuted in The Falcon and the Winter Soldier, while Hannah John-Kamen’s Ghost (from Ant-Man and the Wasp, 2018) and Olga Kurylenko’s Taskmaster (from Black Widow) bring edge. Julia Louis-Dreyfus’ Valentina Allegra de Fontaine, seen in five projects since Black Widow, ties them together.

Letitia Wright as Black Panther

Letitia Wright’s Shuri, the new Black Panther, returns after Black Panther: Wakanda Forever (2022). Introduced in Black Panther (2018), her tech-savvy heroism shines bright.

Simu Liu as Shang-Chi

Simu Liu’s Shang-Chi, from Shang-Chi and the Legend of the Ten Rings (2021), wields the rings with style. His martial arts mastery is a fresh addition.

Tenoch Huerta as Namor

Tenoch Huerta’s Namor, the Sub-Mariner, dives in from Wakanda Forever. His regal menace promises tension with the surface heroes.

Danny Ramirez as Falcon

Danny Ramirez’s Joaquín Torres takes flight as the new Falcon. Seen in The Falcon and the Winter Soldier, he’s ready to soar.

Winston Duke as M’Baku

Winston Duke’s M’Baku, from Black Panther and Wakanda Forever, brings Wakandan might and humor to the mix.

Lewis Pullman as Sentry

Lewis Pullman debuts as Sentry in Thunderbolts*, a powerhouse with a dark side. He’s new to the MCU but already a heavy hitter.

X-Men Legends Cross Over

The Fox X-Men invade the MCU. Patrick Stewart’s Professor X, from seven X-Men films and Multiverse of Madness, leads with wisdom. Ian McKellen’s Magneto, from six X-Men films, brings magnetic fury. Kelsey Grammer’s Beast, from X-Men: The Last Stand (2006) and The Marvels (2023), leaps in. James Marsden’s Cyclops, from four X-Men films, aims true. Alan Cumming’s Nightcrawler, from X2 (2003), teleports back. Rebecca Romijn’s Mystique, from four X-Men films, shapeshifts into action. Channing Tatum’s Gambit, fresh from Deadpool & Wolverine (2024), deals a wild card.

Why This Cast Matters

Avengers: Doomsday isn’t just another superhero flick—it’s a multiversal meltdown. With Downey’s Doom squaring off against a roster spanning the MCU’s past, present, and Fox’s X-Men legacy, the stakes are sky-high. The Russo Brothers, who delivered Infinity War and Endgame, helm this epic, penned by Stephen McFeely. From Thor’s hammer to Cyclops’ optic blasts, this cast unites Marvel’s sprawling universe like never before. Fans are already theorizing: Will Evans face Downey again? How will the X-Men fit? The answers are coming in 2026—until then, this lineup is pure Marvel magic.

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