Here are all the movies and shows Marvel has left to release before its next major team-up film, "Avengers: Doomsday"

Avengers: Doomsday marks the climax of Phase Six of the Marvel Cinematic Universe (MCU), and is slated to be Marvel’s boldest crossover yet. Expect returning heroes, cosmic power struggles, and an ominous shape‑shifting villain.

But that all changes in the movie's post-credits scene, when the vibe shifts and suddenly there's a metal-masked stranger hanging out in the living room of the Baxter Building. If you've seen The Fantastic Four: First Steps and need some Reed Richards–level tutoring to figure out just what the heck is going on,