This concept art features early designs for Hit-Girl (Chloe Moretz), Big Daddy (Nic Cage) and Red Mist (Christopher Mintz-Plasse). The artwork is showcased in the upcoming book
Kick-Ass: Creating The Comic, Making The Movie. It will give readers a behind the scenes look at the transition of the comic book by Mark Millar and John S. Romita to a silver screen adaptation.
Here are the concept images along with the final editions that made it to the film:
Images and information courtesy of ScreenRant