Mexican film director Juan Catlett has filed suit claiming Gibson stole scenes from Catlett's film "Return to Atzlan" for Gibson's "Apocalypto." 

Ben Carrozza at Dose.ca reports on the matter here, implying that plagiarism claims may be out of hand with these closing remarks:

"No word on whether Saints Matthew, Mark, Luke or John have considered a similar lawsuit against Gibson for his use of their work in 2004 Biblical piece The Passion of the Christ."