While the movie is only set to open in Ireland and the UK this week, there's been a lot of discussion in the US concerning the portrayal of Bruce Lee in 'Once Upon A Time... In Hollywood'.
Basically, the scene with Bruce Lee - played by Mike Moh - sees him and Brad Pitt fighting one another after a bit of smack-talk.
Lee, in the movie, claims he could defeat Muhammad Ali and, by all accounts, comes across as a pretty cocky individual.
What's more, Brad Pitt's character and Bruce Lee battle it out in a best-of-three fight, with the fight ending before either party comes out on top.
"Bruce Lee was kind of an arrogant guy.
While Brad Pitt's character was fictional, the idea that he could hold his own against Bruce Lee was intentional.
"He's a fictional character, it's the same as asking if Bruce Lee would win in a fight with Dracula.