Where did Superhero's come from?

The first official superhero was Superman in 1938 in Action Comics #1. Closely followed by Batman who came in 1939 in Detective Comics #27. The most popular superhero is Batman. Then Thor, Superman, Ironman, The Avengers, Wolverine, Spiderman, Captain America, Justice League and Deadpool. Here are some fact files on each of these superhero’s.  

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