Well this is the one you have been waiting for, the official trailer.
https://www.youtube.com/watch?v=gn-twZm_wEY
Lock me in for that. Here is the official synopsis:
“In the explosive finale to the Arkham series, Batman faces the ultimate threat against the city he is sworn to protect. The Scarecrow returns to unite an impressive roster of super villains, including Penguin, Two-Face and Harley Quinn, to destroy The Dark Knight forever. Batman: Arkham Knight introduces the Batmobile to this version of the world of Gotham City, which is drivable for the first time in the franchise. The addition of this legendary vehicle, combined with the acclaimed gameplay of the Batman Arkham series, offers gamers the ultimate and complete Batman experience as they tear through the streets and soar across the skyline of the entirety of Gotham City.”
BATMAN: ARKHAM KNIGHT is released June 2nd 2015 on PS4 XBOX1 and PC
Bonus Feature
Here is some screenshots for the game.