Time Warner confirmed a new Batman Arkham title is set to be released later on this year.However, it was confirmed the game will not be in development by Rocksteady
Time Warner’s CFO and chief administrative officer John K. Martin stated that,
“And we also have a strong games release this year, which will include the next release in the Batman Arkham franchise. So all in all, we expect Warners to post another very strong year in 2013. And with a little luck, the year should be as good or maybe even a little bit better than 2012.”
Source: TrustedReviews