Take a look at a new look at the Avengers: Doomsday X-Men teaser trailer for the upcoming MCU film. Get our first look at Professor X, Magneto, and Cyclops for the first time in the MCU portrayed by their Fox-era actors as Patrick Stewart, Ian McKellen, and James Marsden, respectively. Avengers: Doomsday opens in theaters on December 18, 2026. #IGN #AvengersDoomsday #XMen