Variety reports that Robert Rodriguez's sequel "Machete Kills" is enlisting more girl power for its star-studded ensemble, as the helmer's twin nieces, Electra and Elise Avellan, are set to reprise their roles from the original Mexploitation movie. The Avellan sisters will once again be playing bad-ass nurses Mona and Lisa. They join fellow femme fatales Jessica Alba, Michelle Rodriguez, Amber Heard and Sofia Vergara. Danny Trejo stars as the titular ex-federale, who's recruited by the U.S. government to take down a cartel leader and stop an arms dealer (Mel Gibson) from launching a deadly missile. Pic co-stars Demian Bichir and Charlie Sheen as the U.S. president.

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