The X-Men are back in the latest “Avengers: Doomsday” teaser trailer. These are the X-Men that were in the feature film trilogy in the early 2000s from Fox. While this teaser has been playing ahead of “Avatar: Fire and Ash”, it has now been released online. In it we see Professor Charles Xavier, played by Patrick Stewart, Magneto, played by Ian McKellen, and Cyclops, played by James Marsden. You can check it out below!

THE “AVENGERS: DOOMSDAY” TRAILERS WELCOME THE X-MEN

This is the third teaser trailer for “Avengers” Doomsday” the first featuring Steve Rodgers and the second featuring Thor and his daughter. What makes this one unique is that it teases the Fox X-Men crossing over with some of Marvel Comics’ greatest teams that include the Avengers and Fantastic Four. Yes we have seen some cameos including Professor Xavier in “Doctor Strange in the Multiverse of Madness”, as well as Kelsey Grammer’s Beast in “The Marvels”. You could also make the argument that “Deadpool & Wolverine” is in the MCU.

ALSO SEE: SECOND ‘AVENGERS: DOOMSDAY’ TEASER REVEALS THE RETURN OF CHRIS HEMSWORTH AS THOR

“Avengers: Doomsday” stars Robert Downey Jr. as Doctor Doom, and features a gigantic cast including Chris Hemsworth, Anthony Mackie, Danny Ramirez, Sebastian Stan, Paul Rudd, Tom Hiddleston, Letitia Wright, Winston Duke, Simu Liu, Pedro Pascal, Vanessa Kirby, Joseph Quinn, Ebon Moss-Bachrach, Florence Pugh, David Harbour, Wyatt Russell, Hannah John-Kamen and Lewis Pullman. Also from the “X-Men” universe Kelsey Grammer, Alan Cumming, Channing Tatum and Rebecca Romijn will cross over into the MCU.