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Oscar Isaac Exits Star Wars Event, Sparks Moon Knight Avengers Rumors

Authore: LoganUpdate:Apr 21,2025

Hold onto your seats, Marvel fans, because there's a tantalizing rumor swirling around that Oscar Isaac might be reprising his role as Moon Knight in the upcoming Avengers: Doomsday. Yes, you read that right, and we're just as shocked as you are. This speculation has gained traction due to a recent announcement from Star Wars Celebration's official social media channels, revealing that Isaac will no longer be attending the convention in Japan this year due to "changes in his production schedule."

Back in February, Isaac's scheduled appearance at Star Wars Celebration had fans buzzing with excitement and speculation about Poe Dameron's possible return to the Star Wars universe. This was especially fueled by Daisy Ridley's announcement at Star Wars Celebration 2023 about her return in a new Star Wars film. Now, with Isaac's sudden withdrawal from the event, fans are piecing together the puzzle, connecting his absence to the ongoing production of Avengers: Doomsday in London.

Social media has been abuzz with fans theorizing about Isaac's potential involvement in the film. Tweets like "He’s gonna be filming doomsday?" and "Dooooomsday" reflect the growing excitement and speculation. However, it's important to remember that this is still just a theory. While Marvel is known for its surprises, Isaac was not listed in the initial cast reveal for Doomsday. Yet, Marvel Studios producer Kevin Feige hinted at more cast members yet to be announced, stating, "We revealed many, not all," during a video call at CinemaCon, keeping the door open for such surprises.

Oscar Isaac's portrayal of Moon Knight in the 2022 six-episode series was a hit, but Marvel has yet to confirm any follow-up. Avengers: Doomsday is slated for a theatrical release on May 1, 2026, and promises to bring together a host of returning heroes and new faces, as highlighted during the epic livestream.

In other MCU news, fans are also buzzing about Robert Downey Jr.'s recent Doctor Doom-themed invitation to his 60th birthday party, adding another layer of intrigue to the Marvel universe.

Meanwhile, the Avengers: Doomsday cast reveal last month was filled with exciting names, especially from the veteran X-Men franchise. Actors like Kelsey Grammer (Beast), Patrick Stewart (Charles Xavier/Professor X), Ian McKellen (Magneto), Alan Cumming (Nightcrawler), Rebecca Romijn (Mystique), and James Marsden (Cyclops) are all set to appear, confirming a significant X-Men presence in the film. This has led fans to wonder if Avengers: Doomsday might actually be a covert Avengers vs. X-Men movie. With Grammer making his MCU debut in The Marvels' post-credits scene and Stewart's brief appearance in Doctor Strange in the Multiverse of Madness, the crossover potential is immense.