'Kick-Ass'

The plot of Kick-Ass concerns a lonely teenage boy, Dave Lizewski (Aaron Johnson), who decides to become a real-life superhero after being inspired by the heroes of comic-books. He soon encounters a mysterious vigilante called Big-Daddy (Nicolas Cage), and his daughter Hit Girl (Chloë Moretz), who are working to bring down the drug baron, Frank D'Amico.