Batman: Arkham Knight, the latest installment in the Arkham franchise from Warner Bros. Interactive and Rocksteady Games, will be released on June 2, 2015, accoridng to an image released to the game's official Facebook page.
Here's what they said to accompany it:
"It's official! Batman: Arkham Knight is coming June 2nd 2015 for PlayStation 4, Xbox One and PC.
Head to http://www.batmanarkhamknight.com/#preorderto reserve your copy now."