AllStar Superman is a directtovideo animated superhero film based on the acclaimed comic book series of the same name by Grant Morrison and Frank Quitely. The film is the tenth in the DC Universe Animated Original Movies line released by Warner Premiere and Warner Bros. Animation and the first in the line that is rated PG as opposed to the usual PG13 rating. It was released on February 22, 2011.
She is startled by Robot 7, shooting it and then Superman with a kryptonite laser. The solar radiation having made him immune to green kryptonite, Superman is able to calm her, explaining his caginess was to hide her birthday present, a serum granting her superpowers forhours. Now as a Superwoman, she and Superman stop an attack by Subterranosauri led by Krull in Metropolis just as Samson who tricked Krull into leading an attack on the surface world and Atlas arrive. After the Subterranosauri are returned to the center of the Earth, their leader Tyrannko states to Superman that Krull will be dealt with. Samson flirts with Lois and gives her a necklace, the crown jewels of the UltraSphinx. When Superman tells him to back off, he shows Superman a newspaper that reads Superman Dead and challenges Superman to contests to win Lois. The UltraSphinx travels through time to reclaim the jewels Samson had stolen, placing Lois between life and death. Superman must answer an unanswerable question to save Lois. The unanswerable question is What happens when the Unstoppable Force meets the Immovable Object? Superman beats UltraSphinxs challenge with the answer being they surrender. Superman then defeats Atlas and Samson in a double armwrestling match before spending the rest of the day with Lois as her powers fade.Later, Kent meets Luthor in his death row cell for an exclusive interview at Strykers Island. However, Supermans energy allows the Parasite to free himself and cause havoc in the prison. Clark stops him while not revealing his secret identity, with Luthor disclosing his respect for Clark as both a journalist and a man. Luthor then reveals a tunnel from his cell for Clark to escape through, aided by Luthors delinquent niece Nasthalthia. Luthor chooses not to escape as the satisfaction of outliving Superman is rewarding enough. Clark tells Lois hes dying, before leaving to take the city of Kandor to a new planet to thrive, as he does not believe hell survive the trip