The blur tells the adventure of an accustomed teenager, Dave Lizewski, who sets out to become a real-life superhero calling himself Kick-Ass. Dave gets bent up in a bigger action back he meets Big Daddy, a above cop who, in his adventure to accompany bottomward the angry biologic aristocrat Frank D'Amico, has accomplished his eleven-year-old babe to be the adamant vigilante Hit-Girl.
Kick-Ass has generated some altercation for its profanity and violence, decidedly for the actualization Hit-Girl. It has accustomed mostly absolute reviews.
Dave Lizewski (Aaron Johnson) is an boilerplate jailbait who wonders why cipher has anytime absitively to become a superhero like the ones in the banana books, so he decides to become a real-life superhero himself, admitting accepting no superpowers or training of any kind. Afterwards his aboriginal attack to action abomination Dave is beaten, stabbed, and hit by a car. He convinces paramedics to say annihilation of his costume, and spends several weeks in the hospital. Upon abiding to school, Dave finds his longtime crush, Katie (Lyndsy Fonseca), is decidedly absorbed in him, but alone because she thinks he is gay. Dave goes forth with this in an accomplishment to absorb time with her.
Undeterred by his beforehand setback, Dave defends a man from three attackers. A eyewitness annal the event, as able-bodied as Dave calling himself "Kick-Ass". The video becomes a YouTube phenomenon, and Dave sets up a MySpace annual so bodies can acquaintance Kick-Ass.
Katie admits to Dave that she is actuality addled by a biologic dealer, so he convinces her to ask Kick-Ass for help. Kick-Ass advance bottomward the biologic banker to bear a warning, but is attacked. He is again rescued by adolescent costumed vigilante Hit-Girl (Chloë Moretz), who kills his attackers and again leaves with her father, Big Daddy (Nicolas Cage). They afterwards clue bottomward Kick-Ass, allegorical him that they can assignment together, and they will accumulate in contact.
Big Daddy is again appear to be Damon Macready, a above cop who was affected by bounded abomination syndicate baton Frank D'Amico (Mark Strong). While Damon was in prison, his wife dies giving bearing to Mindy. Afterwards his release, Damon trains Mindy to action abomination as Hit-Girl.
Believing Kick-Ass to be amenable for several deaths and annexation of biologic money aural his organization, D'Amico orders his men to acquisition and annihilate him. Afterwards D'Amico kills an actor dressed as Kick-Ass, his son, Chris (Christopher Mintz-Plasse), suggests a altered approach. Chris will affectation as a superhero called Red Mist to ambush Kick-Ass into dupe him, and advance him into a trap. Red Mist meets Kick-Ass, bringing him to D'Amico's barn to "ambush" his men. Instead, they acquisition the architecture on blaze with anybody central dead. Red Mist retrieves surveillance footage which shows that Big Daddy is responsible.
Realizing the calmness of his situation, Dave wants to abdicate actuality Kick-Ass. He tells Katie the truth, and she forgives him and becomes his girlfriend. Sometime later, Dave finds burning letters from Red Mist, requesting they meet, and to acquisition Hit Girl and Big Daddy. Kick-Ass leads Red Mist to one of the Macready's safe houses, with D'Amico's men following. Red Mist shoots Hit-Girl, animadversion her out a window. Big Daddy and Kick-Ass are captured and taken to a barn to be bent in a alive Internet broadcast. Kick-Ass and Big Daddy are acutely beaten, and Big Daddy is set on fire, back Hit Girl, who survived the gunshot by cutting a bulletproof vest, arrives and kills the gangsters. Big Daddy is abominably austere and dies from his injuries afterwards accepting a breakable moment with his daughter. Kick-Ass tries to argue Hit-Girl to quit, but she affairs to accomplishment what her ancestor had started, and Kick-Ass cautiously agrees to help.
Posing as a schoolgirl, Mindy enters D'Amico's address and about kills all the henchmen in the penthouse, but runs out of armament and is cornered. Just as one of D'Amico's thugs is about to shoot her with a bazooka, Kick-Ass, armed with a jet backpack adapted with Gatling accoutrements that Big Daddy had purchased above-mentioned to his death, kills the actual men. He again takes on Red Mist and they beating anniversary added out. Hit-Girl fights D'Amico, but she is bound overwhelmed. As D'Amico is about to shoot Hit-Girl, Kick-Ass fires the bazooka, announcement D'Amico out of the window area he explodes in mid-air. Red Mist comes about to acquisition Kick-Ass and Hit-Girl artifice with the jet pack.
Hit-Girl and Kick-Ass retire from abomination angry to alive a added accustomed life. Mindy, now in the aegis of Damon's ex-partner Sergeant Marcus Williams, enrolls at Dave's school. As Dave explains a new beachcomber of superheroes accept been aggressive by his exploits. In the final attempt we see Red Mist donning a new affectation and, breaking the fourth wall, repeats to the admirers a band from the 1989 Batman film: "A apple of superheroes, eh? Wait until they get a amount of me."
* Aaron Johnson as Dave Lizewski/Kick-Ass
* Nicolas Cage as Damon Macready/Big Daddy. Brad Pitt was advised for the role. Vaughn declared Cage's achievement as a little bit Elvis and a little bit Adam West. A actualization in the blur alike says his apparel looks like Batman.
* Chloë Grace Moretz as Mindy Macready/Hit-Girl. Vaughn commented on the ability of Moretz, who said that because she has four earlier brothers, she was no drifter to abundant of the accent in the script.
* Mark Strong as Frank D'Amico, arch of a bent organization. The film's capital antagonist
* Christopher Mintz-Plasse as Chris D'Amico/Red Mist, Frank D'Amico's son
* Michael Rispoli as Big Joe
* Yancy Butler as Angie D'Amico
* Jason Flemyng as Lobby Goon, the architecture doorman
* Elizabeth McGovern as Mrs. Lizewski
* Garrett M. Brown as Mr. Lizewski
* Lyndsy Fonseca as Katie Deauxma
* Dexter Fletcher as Cody
* Clark Duke as Marty
* Evan Peters as Todd
* Xander Berkeley as Detective Gigante, badge administrator alive for D'Amico
* Omari Hardwick as Sergeant Marcus Williams, above accomplice of Damon Macready
* Stu 'Large' Riley as Huge Goon, a babysitter to the D'Amico family.
* Craig Ferguson as Himself
Former wrestler Nelson Frazier, Jr. (also accepted as Big Daddy V) has a accessory role. Series-creator Millar, a built-in of Scotland, asked Scottish television children's-show host Glen Michael to accomplish a adornment appearance although his role was cut from some versions of the film. WCBS-TV account reporters Maurice DuBois, Dana Tyler, and Lou Young accomplish adornment appearances. Kick-Ass marks the additional time Clark Duke appears in a blur with Lyndsy Fonseca and Christopher Mintz-Plasse, the antecedent films actuality Hot Tub Time Machine and Superbad, respectively.