While Black Widow may have been the first official entry into the MCU's Phase 4, its flashback status (and the ultimate fate of Black Widow herself) made it a foregone conclusion. This isn't the case with Shang-Chi and the Legend of the Ten Rings, which adds a laundry list of new characters and concepts to the Marvel multiverse at large, and teases some massive developments for the future of Phase 4 and beyond. Here's what happens at the end, and in both of the post-credits scenes.

Naturally, we're getting into spoilers here so this is your chance to duck out if you haven't seen the movie.