Ironheart just set up the perfect story for Doctor Strange's future in the MCU, and teases the supernatural Avengers' formation.

Wondering what’s the next Marvel movie after "The Fantastic Four"? Here’s the MCU Phase 6 timeline and release dates for upcoming films like "Avengers: Doomsday." ...

Here's who that mysterious figure was in the credits scene of "The Fantastic Four: First Steps" and how it sets up Doomsday.