Kicking ass and taking names, action heroes are the bigger than life characters that make going to the movies worthwhile. Every summer, a new crop of wannabes are rolled out, featuring bigger muscles, bigger explosions, and more octane than you can shake a machine gun at. But it's the actors that make the roles, and there are no bigger action stars than the non-stop kill machines in our tournament. Who will take the lead in the biggest, most intense competition for the ultimate action hero?