Mark Ruffalo Signs as 'Incredible Hulk' in Upcoming 'Avengers' Film

I'd be interested to know the decision-making processes here. Mark Ruffalo, who is very talented, is a "sensitive guy" actor (IMHO), most famously in films like "13 Going on 30." He's also starring in "The Kids Are All Right," currently in theaters:

Anyways, check it out: "Mark Ruffalo Signs On to Play Hulk in THE AVENGERS."

And apparently Deadline's got my wavelength: "... imagine the Hollywood actor whom you'd least expect to play The Incredible Hulk in The Avengers, and maybe, just maybe, you'd come up with the Ruffalo's name."

RELATED: "Comic-Con 2010: 'Harry Potter,' Mark Ruffalo (maybe) and more on day three."