Batman [Dick Grayson]; Robin [Damian Wayne]; Alfred Pennyworth; Senator Vine; Joker [also as Gravedigger; Oberon Sexton] (villain); Naberius (villain); Sweet Belial (villain); Duke Zepar (villain); Talia al Ghul (villain); Deathstroke [Slade Wilson] (villain)
Synopsis
Batman and Robin take the fight to Talia and Deathstroke. Talia shows Damian she's cloning another Damian. Gravedigger is shown to be the Joker.