The official Twitter account for Batman: Arkham City is teasing something new, something that might be the rumored Harley Quinn-themed add-on bound for Rocksteady's game.
The Arkham City Twitter account is completely devoid of details to accompany the picture — although those sure look like Harley's boots up there.
A series of 10 PlayStation Trophies were revealed earlier this month, pointing to what appears to be an extensive add-on starring the Joker's sidekick
The Harley Quinn's Revenge mission 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 experiencing a new storyline, fans can explore new environments and face-off against Harley's all new gang of thugs.
adds more than two hours of original gameplay to the critically-acclaimed interactive title."