and so he joins his Brotherhood as a villain in X-Men: The Last Stand. Unfortunately, Pyro didn't have much to do in his new villainous role, and he was nothing more than a henchman for Magneto.

Mister Sinister is one of the X-Men’s deadliest villains ... this isn’t the Mister Sinister we last saw, but one of the many Sinister clones the villain has made. Maybe he’s some kind ...