Monday night marked the world premiere of the newest Superman film, Man Of Steel, from director Zack Snyder and produced by Batman's Christopher Nolan. The hotly anticipated summer flick was a big hit, and so was its hunky leading man. But it got us thinking about all of the other sexy, on-screen Clark Kents who have graced us with their out-of-this-world good looks over the years. Here's our list of the best spandex-laiden Supermen, who's your favorite?