Batman fans are you ready? Come Friday, yes this Friday the 7th, the demo for ‘Arkham Asylum‘ on the PS3 and Xbox 360 will hit. According to Game Informer it will not only set the stage (i.e. plot) for the impending game, but show off the the FreeFlow combat system, Invisible Predator mode and Batman’s sleuthing skills. The game will officially launch on August 25th.