In comics, as we've learned, nothing is ever truly permanent. All it takes is a writer wiggling his nimble pen to undo a story, often with a convoluted explanation to go with it. Death is no exception. A few years ago, what was considered the most sacred character death in comic book history was undone when Ed Brubaker brought Bucky Barnes back from the dead. That turned out to be a good move and resulted in some excellent stories. It doesn't always work out that way, though - here's a list of eleven comic book characters that should have stayed dead.