Death Duel of Kung Fu is 1979 martial art movie, directed by William Cheung Ki and starring John Liu, Don Wong Tao and Eagle Han-ying. It`s also known as Showdown of the Master Warriors and Return of the Secret Rivals as an alternate title. With in say, the movie has no relationship with the Secret Rivals trilogy but most of the filming locations took places in South Korea although the story is set in China, which makes the result that it makes a similar storyline as Secret Rivals.