Avengers: Doomsday is more than just the next Marvel team-up blockbuster; it’s clearly being positioned as a celebration of the last 26 years of superhero comic book adaptations. The film will unite the X-Men and the Avengers against Doctor Doom (or perhaps fulfill all the best Avengers versus X-Men daydreams),

Doomsday trailer revealing Cyclops' suit, a look back at all of Scott Summers' movie costumes reveals his clear best suit.

Doomsday' spotlights Magneto, Charles Xavier and Cyclops to promise the X-Men's return for the superhero crossover.

Patrick Stewart as Professor Xavier, James Marsden as Cyclops, and Ian McKellen as Magneto. Photo: Screengrab from YouTube/Marvel Entertainment The third teaser trailer for

The third teaser for “ Avengers: Doomsday ,” which has been playing in front of “Avatar: Fire and Ash” screenings, has been released online, and it marks the return of Fox’s “X-Men” characters Prof. Charles Xavier ( Patrick Stewart ), Magneto ( Ian McKellen) and Cyclops ( James Marsden ).

Scott Summers has an optic blast from the past in Cyclops #1 by Alex Paknadel and Roge Antonio, with the return of Robyn Hanover

Avengers: Doomsday will be released in theatres this year, on December 18, and Marvel has been releasing teaser trailers, each dedicated to a character.