McBain (1991)

Santos attempts to lead a people's revolt in Colombia to overthrow the oppressive El Presidente. When his revolt fails and he is killed, his sister Christina goes to New York to find McBain, a lieutenant Santos rescued during the Vietnam War. McBain agrees to avenge Santos' death, calls up his old war buddies, raises the necessary funds by killing a few drug dealers and threatening the mafia, then leads an attack to topple the corrupt government.

McBain is an action movie featuring Christopher Walken.

McBain is currently streaming for free (ad-supported) on Freevee, Plex, Plex Player, Pluto TV and Tubi TV.

It is also possible to buy McBain on Vudu.