We’re Going To Eat You (1980)

aka's: Di Yu Wu Men/Hell Has No Gates/ Kung Fu Cannibals/No Door to Hell/
地獄無門

A secret agent named Agent 999 (Norman Chui) tries to apprehend a thief named Rolex (Melvin Wong). The search leads to a village where residents routinely capture visitors and eat them. Also stars Eddy Ko. (In Cantonese language, with English subtitles and in Widescreen format).