9 Actors Who Almost Played Superheroes and Villains...

Here's a article from  TOPLESS ROBOT about some casting rumours that had happened over the years.

Whether you're on the side of Christian Bale or Michael Keaton, Brandon Routh or Christopher Reeve, or Tobey Maguire over whatever-unknown-they-get-to-play-Spider-Man, you know how important casting is to a movie. You get your duds, sure (Colin Farrell in Daredevil, anyone?), but that part could have easily gone to someone else. And sometimes, the guy you see in the tights wasn't the first guy who was picked for the role...