Batman: Arkham Asylum is the game that kickstarted ... the Joker makes a return from Arkham Asylum while other iconic foes like Two-Face, the Penguin and Mr Freeze also make their series' debut.

Batman: Arkham Shadow's recently added post-credits scene puts into perspective how significant Dick Grayson's role could be in a possible sequel.

Epic Games Store customers on PC can now get six of the best "Batman" games for free, including "Arkham Asylum," "Arkham City," "Arkham Knight," and all three of the "LEGO Batman" games.