HBO Documentary Films: Summer Series - Superheroes Trailer (HBO Docs)

Subscribe to HBO Docs: http://itsh.bo/10r45k3 Take a look inside the world of real-life caped crusaders. HBO Docs on Facebook: https://www.facebook.com/hbodocs HBO Docs on Twitter: https://twitter.com/HBODocs HBO Documentary Films homepage: http://itsh.bo/I83ODm. HBO Documentary Films on HBO GO® http://itsh.bo/kUIs4w. HBO Documentary Films on Connect: http://connect.hbo.com/documentaries Check out other HBO Channels HBO: http://www.youtube.com/hbo Game of Thrones: http://www.youtube.com/GameofThrones True Blood: http://www.youtube.com/trueblood HBO Sports: http://www.youtube.com/HBOsports Real Time with Bill Maher: http://www.youtube.com/RealTime Cinemax: http://www.youtube.com/Cinemax HBO Latino: http://www.youtube.com/HBOLatino HBO Documentary Films: Summer Series - Superheroes Trailer (HBO Docs) http://www.youtube.com/watch?v=TrgxoJwxw6E