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...Ra's Al Ghul in Legends of the Dark Knight no. 144. The funny thing is the Joker knows Ra's will have no use for him once he has served Ra's al Ghul's needs. The Joker attempts to doublecross Ra's first but is left with some pretty big bullet holes for his troubles! The concluding issue alludes to the fact that Batman will save this murdering maniac by immersing him in the Lazuras Pit! Heh! Now that is pushing it!