Batman Begins was a decent game. It had some good ideas, nothing spectacular tho. And it was way to constricted, only allowing you to throw batarangs at certain times.
I would like to add that Spider-Man is my favorite character and that I'm still waiting for that one game to totally do him justice, but I don't think he's the only comic book character deserving it. If other heroes got the AAA treatment I would buy the games, maybe not day 1 but I would get them eventually. And I'm not talking about tie-ins now. Where's the Captain America, the Thor, the Iron Fist and the Daredevil games? Etc, etc of course.