Batman: Assault On Arkham new Harley Quinn picture First look at Harley Quinn in Arkham Asylum animated prequel Batman: Assault On Arkham By Holly White 07-06-14 7,614 Share on Facebook Share via Twiter Share on Google Plus Add to your Stumbleupon Likes Share via Email Batman: Assault On Arkham is available on US DVD and Blu-ray from 12 August 2014. Related posts: No related posts. < PreviousNext > Related posts: No related posts.