Related: MCU: Every Actor And Character Confirmed For Ten Rings
With Shang-Chi is the arrival of the Ten Rings. This is both an organization that Mandarin runs, but it also signifies the Mandarin's weapon of choice. He wears them on his arms in the trailer, but in the comics, they are one of Marvel's most powerful weapons. They also have a lot of distinctions that might be very different from the movie.