The film concludes that humanity needs both the cynic and the idealist. Superman’s death at the end—killed by Doomsday (a CGI mish-mash that is the film’s weakest element)—forces Batman to realize he has become the villain. It sets up his redemption arc for Zack Snyder’s Justice League .
Batman v Superman: Dawn of Justice – A Titan Clash That Redefined the DCEU batman.v.superman.dawn.of.justice