Superman, Batman, Captain America, Wonder Woman, Spider-Man and beyond are the foundation of the modern superhero. Since their creation, these all-American icons have endured through decades of war, triumph and scandal, constantly evolving to reflect the country’s changing values in a tumultuous world. From World War II and Vietnam, to Watergate and the tragedy of 9/11, these mythic heroes embody America’s deepest fears and greatest aspirations. This two-part special reveals how superheroes have evolved through decades of history to become a uniquely American mythology.

In America, sometimes being a hero means breaking the rules. From the beginning, superheroes like The Hulk, Black Panther, Iron Man, Luke Cage, Wolverine and The X-Men have challenged authority and fought for outsiders, in battles that reflect the country's most profound real-world divisions and struggles. From their often controversial origins to recent resurgence in today's blockbuster movies, these rebels continue to redefine heroism for new generations.