"Uptown Saturday Night" movie poster, This was the first of three movies starring Sidney Poitier and Bill Cosby and directed by Poitier. Filmed at a steel mill on the south side of Chicago before the steel industry in Chicago went bust in the
Three The Hard Way starring Jim Brown, Fred Williamson & Jim Kelly. The plot of this movie had the three heroes trying to stop "the man" from killing Black people by poisoning the water. Sounds like Flint, MI.
The Mack is a blaxploitation film starring Max Julien and Richard Pryor. Although the movie was produced during the era of such blaxploitation movies as Dolemite, its producers do not label it a true blaxploitation picture.