By Raul
The announcement Trailer titled "Father to Son" has a reading of the Last Will and Testament of Tomas Wayne giving advice to his son Bruce to help improve and protect the city of Gotham. The Trailer includes the voice of the Scarecrow and shows Two-Face, The Penguin, and Harley Quinn as playable character for a Pre-Order special. Batman: Arkham Knight is developed by Rocksteady Studios and will be published by WB Games, it will be released some time this year on PS4, Xbox One and PC.
Source: Game Informer