Rumor: Batman: Arkham Origins Coming Out This Year on PS4 and Xbox 720

According to French site Gameblog, Rocksteady Studio’s Batman: Arkham Origins will be revealed at E3 2013 and will come out on Xbox 720 and PS4.
Gameblog said that this information came from a very trusted source. Do you think that this true, or just a publicity stunt from Gameblog?