The following post contains SPOILERS for Spider-Man: Brand New Day. What do the events of Brand New Day tell us about the upcoming Marvel X-Men movie? And how does this connect to Avengers: Doomsday, which will feature the last stand (for real this time) of the Fox X-Men like Patrick Stewart’s Professor X, Ian McKellen’s Magneto, and James Marsden’s Cyclops? That’s the subject of our latest Marvel video, which breaks down mutants’ role in Spider-Man: Brand New Day, all the latest X-Men casting rumors, and who else might appear next. Marvel’s next big MCU movie, Avengers: Doomsday, premieres in theaters on December 18.