The Teenage Mutant Ninja Turtles show off their impressive martial arts skills in four new motion posters for director Jonathan Liebesman's upcoming adventure. These explosive bits of never-before-seen footage feature the four brothers demonstrating their weapon skills and skateboard riding techniques, and it's clear that their trademark humor from the original animated series and comics created by Kevin Eastman and Peter Laird is fully intact with this big-budget summer tentpole. Take a look as Leonardo, Donatello, Raphael and Michelangelo engage in some heavy-hitting action!

The city needs heroes. Darkness has settled over New York City as Shredder and his evil Foot Clan have an iron grip on everything from the police to the politicians. The future is grim until four unlikely outcast brothers rise from the sewers and discover their destiny as Teenage Mutant Ninja Turtles. The Turtles must work with fearless reporter April and her wise-cracking cameraman Vern Fenwick to save the city and unravel Shredder's diabolical plan.