When Warner Bros. upcoming Batman vs. Superman film was originally announced at the San Diego Comic-Con, some fans felt skeptical that the inclusion of the Dark Knight would overshadow Superman in what was being hailed as a sequel to 2013's Man of Steel . In a new interview with Forbes , director Zack Snyder lays out the reasons why they arrived at Batman for the upcoming sequel, and how he was almost just a cameo in the second Man of Steel movie.