Movie - The Barbarians (1987)
Movie - Turkish Star Wars (AKA Dünyayı Kurtaran Adam, 1982)
More than just Star Wars: Borrows from Raiders, too!
Movie - Super Fuzz (1981)
Red powder from a nuclear explosion gives a police officer super powers as long as he doesn't see anything red. He is eventually framed for murder and is unsuccessfully executed.
Movie - War of the Robots (Brescia, 1978)
Will John blast Julie, who loves him? Or Lois, who has betrayed Earth?