Cobra.

About Cobra

Cobra is a 1986 American action film directed by George P. Cosmatos and written by Sylvester Stallone, who stars in the title role. The film, loosely based on the 1974 novel A Running Duck by Paula Gosling, co-stars Reni Santoni, Brigitte Nielsen and Andrew Robinson. Cobra follows Los Angeles police Lt. Marion "Cobra" Cobretti, who investigates a string of violent crimes and also protects Ingrid Knudsen, a witness targeted by the perpetrators.