Not documentaries, just movies. Curious to see if there are any I haven't seen yet!
The best one is probably Warrior.
Warrior 
Beverly Hills Ninja
...nothing even comes close
Five Venoms vs. Wu Tang
Duel to the Death
Warrior was the only one I've seen. It was ok, maybe 5/10.
warrior was great,here comes the boom was funny and i was really impressed with ruttens acting