UPDATE: Turns out that Kevin Conroy's comments at yesterday's Dallas Comic-Con have been taken out of context by several media outlets (ourselves included) as it would appear that the fan favourite won't be voicing The Dark Knight after all.SuperHeroHype are now reporting that Batman will be voiced by Roger Craig Smith (known for Sonic The Hedgehog) and Troy Baker (Bioshoke Infinate) will be playing The Joker.
However, the point still remains that Conroy said he was working on "the next Arkham game" - does he know something we don't? The new trailer for Arkham Origins was released earlier which you can check out below:
Batman: Arkham Origins is set for release this October for Xbox 360 and PS3.