Yeah, I've heard of them.
3 seconds sound clip from the The 72 Desperate Rebels (1978) movie soundboard.
You can hear this line at 01:05:58 in the DVD version of the movie.
Quote context
[...]
- What's it about? Look at that.
- Who wrote that? Who would dare do it? Who wants to kill you?
- The famous Three killers. You know them.
- I'm sure you have. No other fighters ever been any match for them at all. Hm! They much too good.
- Waiter... Did I hear you say that your Mao Tao wine has all been sold out?
- I see. What kind of wine is that then that you have on the table?
[...]