Re: Team-Up Movies?
Mr. Sinister and Apocalypse fit more in the main X-Men films because I feel like those two has the potential to be a big threat to the X-Men. And in the cartoons and videogames, they are like always the next big villain after Magneto.
WOLVERINE X CYCLOPS X STORM X ROGUE X ICEMAN X PROFESSOR X
X-MEN - FANTASTIC FOUR
R I 5 3
MISTER FANTASTIC 4 INVISIBLE WOMAN 4 THE THING 4 HUMAN TORCH