Iron Man (1968) #054 (CGC 7.5 Graded)Sub Mariner and Iron Man do battle. 1st appearance of Moondragon as Madame MacEvil. "Sub Mariner: Target for Death!" Story by Mike Friedrich and Bill Everett. Art by George Tuska and Vince Colletta. Cover by Gil Kane. It's a cataclysmic confrontation between Iron Man and the Sub Mariner off the coast of Seattle! One of the heroes is being forced to fight against his will, but which one? And once the battle moves underwater, does Shell Head have a