Smallville - Season 9 Episode 12 -

Clark meets the sorceress Zatanna (from episode 'Hex') at a comic book convention, where she tells him that her father charmed a copy of the comic book "Warrior Angel" and it holds magical powers. A young boy, named Alec, steals the comic book and develops super powers, transforming himself into Warrior Angel and saving Chloe from a horrible accident who doesn't know about Alec's true origins. Meanwhile, Lois becomes jealous of Clark's relationship with Zatanna.