Kevin Feige Confirms Original X-Men’s Major Role in Avengers: Doomsday—A Legendary Reunion Awaits Fans

Marvel Studios President Kevin Feige has revealed that Avengers: Doomsday will prominently feature the original X-Men cast, bringing these iconic characters into the Marvel Cinematic Universe spotlight. Scheduled for release on December 18, 2026, this film promises an unprecedented gathering of heroes, including the Avengers, the Fantastic Four, and numerous legacy stars from before the MCU era, all set to unite against a universe-threatening antagonist.

Avengers: Doomsday is already shaping up to be the most expansive Marvel movie ever, with multiple universes converging and an all-star cast that spans decades of Marvel film history. Fans of the original X-Men films have much to anticipate, as several actors from that era have confirmed their participation, signaling a significant role for these beloved mutants in the epic storyline.

The Unprecedented Marvel Movie Gathering Led by Kevin Feige

Kevin Feige spoke extensively about how Avengers: Doomsday will unite heroes across different realities, including the Avengers, the Fantastic Four, and the X-Men. The film will combine characters from at least three distinct universes, creating a complex narrative about worlds colliding. This ambitious crossover has been described by Feige as an opportunity to showcase “very different personalities coming together.

Discussing the Baxter Building—famously the home of the Fantastic Four—Feige pointed out how the upcoming movie will greatly expand the number of characters seen there. Comparing it to previous movies where only a handful of people appeared in the set, he said,

Kevin Feige
Image of: Kevin Feige

“That’s always fun. The fun of an Avengers movie is introducing people to each other and seeing how very different personalities get along. In the case of a movie that involves the threat of worlds literally colliding, it’s fun to see them visit each other’s homes. So with the Baxter Building set, let’s say it had four or five people in it at most in the ‘Fantastic Four’ movie. And it’s got a heck of a lot more people in it [in ‘Doomsday’]. It’s a thrill to see that interaction. And it’s surreal for me, who’s been around for 25 years.”

—Kevin Feige, Marvel Studios President

This emphasis on character interaction highlights the scale and complexity of Doomsday, which aims to blend different Marvel movie legacies into one cohesive and thrilling narrative. Feige’s longtime connection to the franchise—starting as an associate producer on the 2000 X-Men movie—adds a personal layer to this project, as he revisits the heroes he helped bring to the big screen decades ago.

Original X-Men Actors Return for a Central Place in Doomsday

Six actors from the original X-Men trilogy have been confirmed to reprise their roles in Avengers: Doomsday. These include Sir Patrick Stewart as Charles Xavier, Sir Ian McKellen as Magneto, Kelsey Grammer as Beast, Alan Cumming as Nightcrawler, Rebecca Romijn as Mystique, and James Marsden as Cyclops. Their participation represents one of the most significant crossovers in comic book film history and is generating excitement for fans eager to see these actors back in the spotlight.

Feige expressed his enthusiasm for revisiting the X-Men characters, remarking,

“It was another dream that we just didn’t think about for many years. Deadpool & Wolverine scratched the surface of that. And now, we’re really delving into it with Doomsday.”

—Kevin Feige, Marvel Studios President

The inclusion of these iconic mutants in the MCU promises not only nostalgia but also a substantial narrative role, as their powers and leadership abilities could prove vital against the enormous threat posed by Doctor Doom. The X-Men’s mansion will serve as a key setting, providing a unique location where heroes from different worlds encounter one another and strategize.

How the X-Men Characters Will Influence the Avengers’ Fight Against Doom

The central question surrounding the X-Men’s return is how their characters will integrate into the Avengers team and the larger storyline. With powerful figures like Magneto, who is an Omega-level mutant, and figures like Charles Xavier and Cyclops, mutants are expected to take on prominent leadership and tactical roles. Their experience with alternate realities will likely be critical in understanding and combating the complex multiverse threat.

Kelsey Grammer’s Beast, already introduced in The Marvels, is another brilliant mind the Avengers will rely on, signaling that the mutants will be far from background players. The expanded Baxter Building scenes suggest significant interaction between the heroes, deepening connections and alliances necessary to face Doctor Doom’s plan.

The film’s villain, Robert Downey Jr.’s Doctor Doom, is described as a major threat to multiple universes, implying the stakes for the heroes have rarely been higher. The collaboration between Avengers from Earth-616, mutants from the X-Men’s Earth, and potentially the Fantastic Four from Earth-828 will showcase a level of unity and scale rarely seen in superhero cinema.

Anticipation Builds for a Historic Comic Book Film Reunion

With the reunion of actors whose portrayals date back over 25 years side-by-side with MCU staples like Chris Hemsworth, Avengers: Doomsday stands out as a momentous event for comic book fans. The film not only bridges past and present Marvel film eras but also opens the door to embracing the multiverse fully within the MCU’s ongoing saga.

Currently filming and set for a December 18, 2026 release, Doomsday’s promise of legendary collaboration and groundbreaking storytelling makes it one of the most highly anticipated movies in the franchise’s history. Fans can expect a deeply interconnected storyline filled with powerful alliances, unexpected reunions, and epic battles that will redefine the Marvel Cinematic Universe.

Our Reader’s Queries

Q. Why is Kevin Feige leaving Marvel?

A. Kevin Feige is not leaving Marvel Studios despite recent rumors. Some fans believed he might be departing, but that’s not true. Feige has worked with Marvel since 2000 and became president of production in 2007, around the time Iron Man was being developed.

Q. Kevin Feige is not going anywhere from Marvel Kevin Feige has confirmed that he is not leaving Marvel Studios, despite his contract ending in two years. “Do I want to be making big movies for big audiences in ten or 15 years from now? Yes, that’s all I want to do.

A. Kevin Feige, as of my last update, hasn’t left Marvel. There might be rumors or misunderstandings, but he continues to be Marvel Studios’ president. He oversees the creative direction and production of Marvel films. If any changes occur, official announcements would provide accurate updates.