Ian Somerhalder, Ryan Reynolds, Tyler Posey, Chyler Leigh, Melissa Benoist, Rose McIver, Rob Thomas, Maisie Williams, Brandon Routh, Ciara Renee, David Mazouz, Mehcad Brooks, Marc Guggenheim, Candice Accola, Michael Malarkey, Cody Christian, Bill Murray, Paul Wesley, Camren Bicondova and Kevin Smith chose their sides in a superhero battle between Batman, Superman and Wonder Woman with MTV New at San Diego Comic-Con.