Batgirl' had a complicated history and it might exist in a finished version, at least according to someone from the set.

Batgirl. However, The Dark Knight’s motivations for his meddling may not be entirely altruistic, as Bruce could be angling to establish "in-law status" with another DC hero. Mark Waid and Dan ...

aka Batgirl. It looks really cool. More from Entertainment As part of the post-release plan for "Batman: Arkham Knight," developer Rocksteady Games plans to release a number of downloadable ...

and focusing on a trio of heroes joining forces as the city's new protectors in the Dark Knight's absence. The team was made up of Bruce Wayne and Selena Kyle's daughter Helene Kyle/Huntress ...