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.

Mercy Graves is a supervillain appearing in multimedia and American comic books published by DC Entertainment and DC Comics. Created for the DC Animated Universe (DCAU), she first appeared in 1996 on Superman: The Animated Series as the personal assistant and bodyguard of Superman's archenemy Lex Luthor, returning in Justice League and Justice League Unlimited, voiced by Lisa Edelstein. She has since been introduced into comic books published by DC Comics.