The Cannon Group
The second sequel, "Penitentiary III", was released in 1987. The plot centers on "Too Sweet" Gordone's time in prison, where he is sent after beating another boxer to death in a performance enhancing drug-fueled fugue state. The film was released theatrically in the United States by The Cannon Group, Inc. in September 1987 and grossed $1,392,616 at the box office.