<P> Superman / Batman: Apocalypse is a 2010 direct - to - video animated superhero film based on the Superman / Batman comic storyline "The Supergirl from Krypton" and is a sequel to Superman / Batman: Public Enemies . The art style is partly based on that of Michael Turner, who penciled the Superman / Batman comic book arc . The film is the ninth in the DC Universe Animated Original Movies line released by Warner Premiere and Warner Bros. Animation and the first sequel in the line . It was released on September 28, 2010 . The film stars Andre Braugher, Kevin Conroy, Tim Daly and Summer Glau . Despite the title, the film focuses primarily on the introduction of Supergirl and her relationship with Superman . Batman plays a supporting role . </P> <P> The two - disc special edition and Blu - ray also includes an animated short featuring Green Arrow . </P> <P> Weeks after the events that led to Lex Luthor's arrest, the impeachment of his presidency, and Batman's success in saving the world from a meteor, a spaceship lands in Gotham City Harbor . While Batman investigates the sunken craft, a beautiful young girl emerges from the water and accidentally wrecks Batman's boat . She is naked and has no knowledge of Earth languages or customs . On the shore, she attacks two longshoremen out of self - defense and a third gives her his coat to cover herself . As the girl progresses into the city, she inadvertently wreaks havoc with her Kryptonian-esque powers until Superman arrives to correct the damage and Batman exposes her to a piece of Kryptonite . </P> <P> With Superman's help, they discover the girl is Kara Zor - El, the niece of Jor - El and Superman's biological cousin . While Superman welcomes Kara, teaches her English, and helps her adjust to Earth society, Batman remains suspicious . Tipped off by Batman, Wonder Woman and Lyla ambush Kara and Clark Kent, Superman's alter ego, in a park and take Kara to Themyscira, reasoning that only there can she learn to control her powers . Superman reluctantly agrees, but still prefers to watch to Kara himself . </P>

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