The two actors were joined by fellow cast members and the film's writer Friday at Comic-Con to present an early look at footage from the October release.

One scene showed Firth taking on half a dozen thugs with nothing but his quick moves and powerful umbrella. His watch also shoots an "amnesia dart" at an observer who would call police. Another showed Jackson's headquarters, where a woman with knives for feet sliced a man in half vertically, then bustled about covering dead bodies so as not to offend her boss's delicate sensibilities.

"I can't stand the sight of blood," he says.

A final clip showed Firth battling assailants in a church, using a Bible as his weapon.

The writer and director behind "Kick-Ass," Jane Goldman and Matthew Vaughn, reunited for this film, billed as a tribute to the old "James Bond" movies.

Mark Millar, who created the comic book the film is based on, called it "a love letter to the spy movies we miss."

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