The Expendables (movie, 2010)

Barney Ross leads a band of highly skilled mercenaries including knife enthusiast Lee Christmas, a martial arts expert, heavy weapons specialist, demolitionist, and a loose-cannon sniper. When the group is commissioned by the mysterious Mr. Church to assassinate the dictator of a small South American island, Barney and Lee visit the remote locale to scout out their opposition and discover the true nature of the conflict engulfing the city.