First Steps" star Vanessa Kirby breaks down Sue Storm's birth scene and her mid-credits moment with Robert Downey Jr. as Doctor Doom.

Doomsday's Doctor Doom hails from Earth-828, the reality inhabited by Marvel's First Family in The Fantastic Four: First Steps. Read on for

So yes, Doctor Doom does appear in First Steps. In the mid-credits scene, we jump four years into the future and see Sue Storm and her son Franklin reading together in their home in the Baxter Building.

This article contains spoilers for “Fantastic Four: First Steps,” now playing in theaters. “Fantastic Four: First Steps” marks the official entry of Marvel’s First Family in the MCU, and there are plenty of references and Easter eggs from the comic books in the new movie.

In addition to setting up Galactus and the Silver Surfer, Fantastic Four: First Steps finds time to tease another major villain.

This iteration of the Fantastic Four has a standalone adventure without all the burden of the MCU's history and cast of characters.

The Fantastic Four: First Steps has finally arrived, and it ushers in a new era for the MCU: Marvel Phase 6. Marvel movies are known to be loaded with cameos and Easter eggs, and the Fantastic Four digs up some lesser-known adversaries from the comics that you may or may not have heard of.