Fire on the Great Wall
Ninja Over the Great Wall (original)
Ninja Over the Great Wall takes place in the early nineteen-thirties when China was occupied by the Japanese imperial forces. Wa Chi Keung is a peasant who escaped the mass murder of his village by the Japanese. He joins his master in Bejing shortly before the old man's assassination by ninjas.
Watch "Fire on the Great Wall" on Tubi TV released in 1987. It's a action & adventure and action movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie, and is currently available to watch for free.