Dead Girl
You know, there was actually a moment in 2009 when Emma Watson was the victim of a celebrity death hoax, which were, sadly, all the rage at the time. She is probably over it by now but, if I were to recommend a unique way to get back at those wretched internet pranksters, I would play a character who only becomes more powerful after they have lost their life, just like Moonbeam or, as she is better known in the Marvel Universe, Dead Girl. This former aspiring actress was murdered by a fellow actor, which would unlock her natural mutant powers of immortality, reanimation of severed limbs, and a telekinetic link with the deceased, that allowed her to avenge her own death and earned her a spot on the X-Force. You know what that means: Ryan Reynolds, get her in Deadpool 3!