JLA Adventures: Trapped in Time

JLA Adventures Trapped in Time is a directtovideo animated film featuring the Justice League of America. It was first released on January 21, 2014 on DVD, and features Diedrich Bader, Travis Willingham and Kevin Michael Richardson, reprising their roles as Batman, Gorilla Grodd and Black Manta.

In the utopian future of the 31st century, teenage superheroesintraining Dawnstar and Karate Kid are visiting a museum dedicated to the exploits of the Justice League. They find that Luthor has been in suspended animation for nearly a millennium after being discovered and excavated in the 29th century and placed on display. Karate Kid accidentally releases Luthor from the ice. Luthor awakes nearly 1,000 years into the future he explores the museum, discovers Supermans secret identity and locates an ancient item called the Eternity Glass, which allows its user to manipulate the fabric of time and space. Taking Captain Colds weapon, he freezes Dawnstar and Karate Kid. He then uses the Eternity Glass to unleash Time Trapper as his servant, allowing him to travel to the point when he last fought the League. Vengeful, Luthor plans to return and destroy Superman. The young heroes break free and follow.Resuming control of the Legion, Luthor instructs Time Trapper to send his forces back in time to prevent the Kent family from adopting KalEl in Smallville. The young heroes enlist the Justice Leagues aid to stop them, and travel to the Hall of Justice in Washington, D.C. After a misunderstanding, they explain their story and verify its validity through Wonder Womans Lasso of Truth. The Flash, Aquaman, and Cyborg travel into the past to prevent Bizarro, Toyman, Cheetah and Solomon Grundy from sending the baby KalEl back into space, while Superman and the rest of the League attempt to stall Luthors Legion in the present. ........

Source: Wikipedia