Other superheroes could get the Arkham Asylum treatment from Rocksteady, if the developer finds itself inspired in a similar way to how it has been with the Dark Knight.
"I wouldn't rule anything out," Rocksteady co-founder told us in L.A. "What drives us is the passion of the games we want to make so I wouldn't sat we definitely wouldn't do anything at this time.
"I think it's going to be whatever inspires the team. Whatever inspires the team, that's what we're going to do and it might be another character."
The Caped Crusader clearly has a special place in Rocksteady's studio heart though. Hill went on to talk about the Batman nerd culture that thrives in the office.
Get the rest of what Hill said below:
Have a look at the latest Batman: Arkham City gameplay trailer featuring a playable Catwoman section.