A chronicle of the growth of comic books as a new American art form exploring the decades-long relationship and rivalry between Marvel and DC Comics.

Kevin Smith, Lance Henriksen, Patrick Warburton, Brandon Routh, Sean Gunn, Martin Starr, Tim Blake Nelson, Laura Benanti, Peter Facinelli, Jon Barinholtz, James Wolk, Clark Gregg, Ray Wise, Bobby Moynihan, Richard Ellis, Stan Lee, Lou Ferrigno, Dana Ashbrook, Michael Uslan, Jim Starlin, Roy Thomas, Gerry Conway, Steve Englehart, Esteban Dager, Mickey River, Mark Evanier, Jenette Kahn, Louise Simonson, Jeremy Kirby, Howard Mackie, Morena Baccarin, Simone Missick, Vincent D'Onofrio, Deborah Ann Woll, Krysten Ritter