I missed it initially, but Kotaku posted a fairly long video a couple weeks ago of gameplay footage from E3 of the forthcoming LEGO Batman video game. The video shows several scenes with playable characters that include Mr. Freeze, The Riddler, Catwoman, The Joker, Harley Quinn, and Poison Ivy.
More recently, DESTRUCTOID has a bunch of new screen shots that feature Man-Bat — who, I’ll be honest, I’d never heard of:
The game comes out September 1st, and rest assured that I’ll be taking some time out from my BrickCon prep to play the game and write a review.