Marvel Studios announced that a fresh group of X‑Men will appear in the upcoming MCU blockbuster Avengers: Doomsday, slated for a December 18, 2026 release. at the same time, the animated series X‑Men ’97 is returning for a second season on July 1, 2026, with a confirmed roster of mutant heroes. While the news marks a long‑awaited crossover, Wolverine and several other Fox‑era characters will remain absent .

Avengers: Doomsday scheduled for Dec 18, 2026 with X‑Men integration

According to the studio’s official release, Avengers: Doomsday will hit theaters on December 18, 2026, bringing the X‑Men into the Marvel Cinematic Universe for the first time. the announcement specifies that a number of mutants from the former Fox franchise will join the Avengers roster, signaling the end of the long‑standing separation between the two properties.

The film’s teaser trailer, released alongside the press statement, showcases silhouettes of familiar mutant powers, but deliberately omits Hugh Jackman’s Wolverine, confirming his exclusion from this inaugural MCU appearance.

X‑Men ’97 season 2 returns July 1, 2026 with confirmed mutant lineup

Marvel Studios also confirmed that the animated continuation of the beloved 1990s series will premiere its second season on July 1, 2026. The lineup includes fan‑favorites such as Cyclops, Jean Grey, Storm, and Beast, as detailed in the studio’s announcement.

These characters will now operate within the same continuity as the live‑action MCU, allowing for potential cross‑medium storytelling that could bridge the gap between animation and film.

Wolverine and select Fox‑era mutants stay out of MCU debut

While the press release highlights the inclusion of many classic mutants, it explicitly notes that Hugh Jackman’s Wolverine will not appear in Avengers: Doomsday. The statement also mentions “a few other mutants in Deadpool & Wolverine” as remaining outside the MCU launch,though it does not name them.

This omission fuels speculation about licensing constraints and future negotiations that could eventually bring the iconic claws back into the fold.

Which Fox‑era mutants will finally cross over?

The announcement leaves the exact identities of the Fox‑era mutants joining the Avengers ambiguous. As of now, Marvel has not disclosed whether characters like Magneto, Mystique, or Professor X will appear, prompting fans to question which legacy figures will make the leap.

Industry insiders suggest that the selection may hinge on contractual clear‑ups with Disney’s acquisition of Fox assets, but no official confirmation has been provided.

Open question: How will the animated X‑Men interact with the live‑action MCU?

One unresolved issue is whether the X‑Men featured in the animated series will ever appear in the live‑action universe, or if the two will remain parallel storylines. The studio’s dual‑track approach—simultaneously launching a film crossover and an animated season—creates a unique opportunity for narrative synergy, yet no details have been offered on potential crossovers.