Batman: Arkham City Harley Quinn's Revenge DLC Trailer

New downloadable content to arrive later this month
Courtesy of All Games Beta, we have a trailer for Harley Quinn's Revenge, a new Batman: Arkham City DLC set to be available on May 29th for PS3 and May 30th for Xbox 360.
Harley Quinn's Revenge, the final chapter in Batman: Arkham City, adds more than two hours of fresh gameplay. It sends players back into Arkham City to face their final challenge as they interchange between playing as both Batman and Robin. Gamers must utilize each of the characters' unique combat and investigative skills to uncover Harley's vengeful plan and shut the gates on the urban mega-prison forever. In addition to a new storyline, fans can explore new environments and face-off against Harley's all new gang of thugs.