Embittered by Superman's heroic successes and soaring popularity, Lex Luthor forms a dangerous alliance with the powerful computer/villain Brainiac. Using advanced weaponry and a special strain of Kryptonite harvested from the far reaches of outer space, Luthor specifically redesigns Brainiac to defeat the Man of Steel.
Superman: Brainiac Attacks is a 2006 American animated superhero film from Warner Bros. Animation. Released on June 20, 2006, as a marketing tie in with Superman Returns, the film features Superman battling the forces of Lex Luthor and Brainiac, and his relationship with Lois Lane.