Cumming is known for his role as Kurt Wagner/Nightcrawler, who only appeared in 2003sX2.

Meanwhile, Romijn embodied the shapeshifting mutant Mystique in the originalX-Mentrilogy.

She also made a cameo in 2011sX-Men: First Class.

Nightcrawler, Mystique, Avengers: Doomsday

Along withthe ongoing series of MCU cast announcements, Marvel Studios also confirmed thatproduction onAvengers: Doomsdayhas officially begun.

Meanwhile, Rebecca Romijns Mystique was last seen in dire straits in 2006sX-Men: The Last Stand.

Additionally, fans saw Nightcrawlerreturn to the small screen inX-Men'97 as part of the core cast of mutant characters.

Alan Cumming as Nightcrawler in X2

This marked the hero’s first appearance under Marvel Studios' watch.

This also comes alongside reports (which were later confirmed) ofKelsey Grammers inclusion inDoomsdayas Beast.

This trio of blue-skinned characters will only add to the insane levels of hype already being built forDoomsday.

Rebecca Romijin as Mystique

Avengers: Doomsdayis due to debut in theaters on May 1, 2026.

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