"If anybody saw 'Argo' or 'The Town,' and all the work he's been doing lately, it's way more nuanced and interesting and way more difficult than Batman! Batman just sits there with his cowl over his head and whispers in a kinda gruff voice at people.
Damon's statements mostly echo what director Zack Snyder said when it was announced that Affleck would play Batman in the "Man of Steel" sequel that Warner Bros. will release in 2015, though Snyder didn't use any of Damon's snark."
I found this at Huffington post, so I stand corrected. He should probably be more careful in the future, the absence of that one sentence made it look like he was bad-mouthing one of the most popular characters in existence.