The mysterious post-credit scene for X-Men: Apocalypse delivered a nice teaser for fans with the reveal of “Essex Corp,” which naturally means the villain Mister Sinister is on his way, but to which film? Writer/producer Simon Kinberg previously said it could be a teaser for any number of X-Men movies, but on the commentary track for Apocalypse (as discovered by Cinema Blend), Kinberg and director Bryan Singer revealed that the villain will appear in Wolverine 3.