The Justice League of America must stop Lex Luthor and the Legion of Doom from freezing the Earth's oceans to create more land, but Lex becomes trapped in a glacier of ice. In the 31st century, two young Legion of Superheroes trainees, Dawnstar and Karate Kid, accidentally free Lex, who then learns about Superman's origin and acquires the hourglass containing the Time Trapper. Lex travels back to the 21st century, intending to prevent the Kents from finding Kal-El and eliminate the Justice League.
JLA Adventures: Trapped in Time
In the 31st century, Lex Luthor teams up with the Time Trapper to alter history and prevent Superman's birth. A team of teenage heroes, led by Karate Kid and Dawnstar, must work together to stop Lex and restore the original timeline.
