The trailer for next summer's Green Lantern movie hit the Internet in the face earlier this week, like a giant green fist. For the first time ever, I can't tell if I'm watching a trailer or a combination of clips from every other superhero movie ever shot. Either this is the work of a very clever editor, or there isn't a single original moment in the entire trailer. Has it happened? Have we exhausted the genre? Is it time to stop making superhero movies?