Tracing the history of the superhero genre can reveal a lot about how we understand our own history, and how history gets whitewashed. Shawn Taylor, John Jennings and Art Burton look at how black superheroes evolved from a black Wild West lawman to HBO's Watchmen. And I talk with John Valadez about Mexican American masked vigilantes who may have inspired Zorro, and other masked heroes.Learn more about your ad choices. Visit megaphone.fm/adchoices