Deadpool’s a weird character. Like fellow mutant Wolverine, Wade Wilson is a trained killer whose primary superpower is a healing factor that lets him recover and reform from any wound, even if bisected or decapitated. Unlike Wolverine, Wade knows he’s in a fictional medium, be it a comic book, movie, or game, and physically can’t stop quipping about that fact and referencing things in and out of his world. It’s up to the writer whether this is sheer coincidence (as…