Re: Why Mark Ruffalo?
Ruffalo nailed the performance. It's by far the best big screen interpretation of the Hulk to date. The biggest thing is we actually see Banner being a scientist, where he's not just trying to work on a cure for himself.
“Whenever you see somebody crossing over to something it gives it pop. Like Murder She Wrote and Magnum [P.I.] — great crossover. I got excited.” Joss Whedon on Spider-man joining the Avengers.