It has just been revealed that a new FarCry 4 PS4 bundle. At the moment it is only being released in Europe but may get a US released date later on.
People who own PS3 and PS4 and subscribe to PSN and they will receive 10 invitations, that they can send to friends to play a trial of online co op.
FarCry 4 is released November 18 for PS3, PS4, Xbox 360, Xbox One, and PC