Although the vast majority of The Fantastic Four: Fist Steps takes place in the very specific Marvel dimension of Earth-828 by the end of 2026, this super-family will find themselves in the mainline Marvel Universe, Earth-199999, presumably, as part of a new version of the Avengers. Although First Steps has a fairly self-contained ending, there’s still a very big hint as to how this eventual crossover will take place.
Here’s what happens in the mid-credits scene and post-credits scene of The Fantastic Four: First Steps, and how the entire movie sneakily and subtly sets up a multiverse crossover for Avengers: Doomsday next year.
