Cuenta la historia de un adolescente normal, Dave Lizewski (Aaron Johnson), que se propone convertirse en un superhéroe de la vida real, llamándose a sí mismo “Kick-Ass”. Dave se ve envuelto en una pelea más grande cuando conoce a Big Daddy (Nicolas Cage), un ex policía que, en su búsqueda por acabar con el jefe criminal Frank D’Amico (Mark Strong) y su hijo Red Mist (Christopher Mintz-Plasse), ha entrenado a su hija de once años (Chloë Grace Moretz) para ser la despiadada justiciera Hit-Girl.
The film was released in the United Kingdom on 26 March 2010, by Universal Pictures, and in the United States on 16 April, by Lionsgate. Despite having generated some controversy for its profanity and violence performed by a 𝘤𝘩𝘪𝘭𝘥, Kick-Ass was well received by both critics and audiences. In 2011 it won the Empire Award for Best British Film. The film has gained a strong cult following since its release on DVD and Blu-ray.