A couple of months ago, Matthew Vaughn’s hyperviolent Kick-Ass somersaulted over the graves of Watchmen and X-Men Origins: Wolverine, proving that comic book-inspired action movies can be every bit as smart and sassy as the cult pictorials they are based on. Director Sylvain White continues the good work with The Losers, an explosive romp based on the potty-mouthed DC Comics series written by Andy Diggle and illustrated by Jock.