Capes, Cowls, and Character Points: An Encyclopedic History of Superhero Tabletop Role-Playing Games Introduction: The Birth of the Four-Color Multiverse The emergence of the superhero tabletop role-playing game (RPG) in the late 1970s occurred at the confluence of two distinct cultural streams: the nascent tabletop RPG hobby, dominated by the fantasy wargaming legacy of Dungeons & Dragons , and…