The title of the new Shang-Chi film is a reference to the Ten Rings organization led by him.
A lot of fans had serious issues with the way Iron Man 3 changed up the story of The Mandarin, a classic Iron Man villain, but a Marvel short, All Hail the King, reveals that the real Mandarin does exist.
Once that happens we’ll start to get a few more details about exactly what Shang-Chi and the Ten Rings is about, and how it will fit into the Marvel Cinematic Universe.
However, that single piece of information is about all the title tells us and about all we really know about the movie as a whole.