Cdelo:There was a martial arts movie in 1980 called "Kill Or Be Killed". The sequel was called "Kill And Kill Again", from 1981. Both movies were filmed in South Africa.
"Steve Chase" was actually a character in the movie, not the movie title itself.
"Marduk" was the villain in the second movie, but didn't appear in the first.
For more info, click the following the link:
http://us.imdb.com/Details?0082612
Hope this helps you!