Batman: Assault On Arkham opening scene is online Amanda Waller takes down The Riddler in the first scene from the animated Arkham Asylum prequel By Holly White 15-07-14 6,500 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 DVD and Blu-ray in the US from 12 August 2014. Related posts: No related posts. < PreviousNext > Related posts: No related posts.