Hulk vs. Hulk vs. Hulk vs. Hulk: Who'd You Rather?

Here's Mark Ruffalo playing not-so jolly green giant the Hulk in the upcoming "Avengers" movie, following in the muscled footsteps of Edward Norton in the 2008 film "The Incredible Hulk," Eric Bana in the 2003 Ang Lee version "Hulk" and Lou Ferrigno in the classic '70s TV series "The Incredible Hulk."

Question is ...