The Joker comes out of a large lamp in the 1942 cover of Detective Comics # 69 .
The 1942 cover of Detective Comics # 69 , known to comic book fans as `` Double Guns '' ( with a large Joker emerging from a large lamp like a genie , aiming two guns at Batman and Robin ) , is considered one of the greatest superhero comic covers of the Golden Age and is the only image of the character using traditional guns .
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