Frank Sivero

AMC is getting a "Sicilian message" of sorts from one of the "Goodfellas" crew after the network slapped a new warning on the mob classic ... causing fans to flip more than Tommy -- aka Joe Pesci -- being told to get his shine box. Here's the deal ... TMZ recently reported AMC added a warning over…

Frank Sivero -- who played Frankie Carbone in 'Goodfellas' -- is suing a guy he says is a real badfella ... a deli owner near the Mexican border. Sivero claims he went to Deli Belly in El Cajon, CA in March ... where he posed for pics with fans. According to the lawsuit ... the owner got hold of…