Tom Cruise can be seen speed flying in Mission: Impossible - Dead Reckoning Part One, which is a real, dangerous extreme sport that he learned for the movie.
Would Keanu Reeves' live-action Cowboy Bebop movie have been any good? Maybe, but -- as the original anime taught us -- living in the past will get you killed.
A Batman producer did not think Michael Keaton was the right fit to play The Dark Knight, but Burton convinced the producer to see the error of his ways.
The O.C. star Adam Brody "really dug" what James Gunn was planning for Guardians of the Galaxy, but Brody eventually lost the role of Star-Lord to Chris Pratt.
"Mutant Mayhem" is oozing with reimagined versions of the "Teenage Mutant Ninja Turtles" cast. We've got our own opinions about which mutants are the most rad.