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Holy 80th Anniversary, Batman! The Caped Crusader made his first comic book appearance on March 30, 1939, and we\'re marking the occasion with a complete serialized adventure of Superman co-starring Batman and Robin, the Boy Wonder. It\'s "The Mystery of the Dead Voice," a tale with ties to young Robin\'s origin, and it originally aired on the Mutual Network between September 25 and October 16, 1946.