Blockbuster was a criminal hired by the Joker to dress up like Batman and challenge the former Robin Jason Todd, who the clown held captive and tortured for years underneath Arkham Asylum, in a fight. Todd succeeded in defeating Blockbuster but, after being handed a gun by the Joker, was hesitant to kill the Bat-impostor. Blockbuster was then shot in the chest and killed by Harley Quinn in frustration.



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