Big Lipped Alligator Moment: More than one actually. There are a couple interactions with seemingly unrelated characters. Such interactions include the men in red, the park freestyle rappers, the would be mugger getting roundhouse kicked (by Shi Yan Ming).
Ghost crosses paths with a man wearing all army gear played by the RZA, seemingly building to a showdown. When they meet they merely greet each other in a fashion that insinuates this man may also be a contract killer and part waysnote "Power Equality"/"Always See Everything" Note what the first letters of the words spell.. This person is never seen nor mentioned again.
Ghost Dog encounters two strangers in the countryside who have killed a black bear out of season. He avenges the bear by killing one hunter and wounding the other, arguing that the ancients saw bears as equal to humans.