If you’re a certain kind of Marvel fan, there’s a good chance you’ve already seen every leaked trailer for Avengers: Doomsday. As revealed by one leaked trailer and reported by various outlets, including IGN, the next trailer for Avengers: Doomsday will almost certainly feature the return of James Marsden as Cyclops. Do we fully understand how the Marvel Cinematic Universe will integrate the Fox X-Men universe? But in the leaked footage, Cyclops will be rocking the old-school blue and yellow costume for the first time. Cyclops (James Marsden) lets out his optic blast in X-Men (2000).