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

Yes, that mysterious cloaked figure in Fantastic Four is indeed played by Robert Downey Jr. – as confirmed by the director himself.

First Steps” is the third Marvel movie to hit theaters this year, but it packs way more hidden references and nods than “Captain America: Brave New World” or “Thunderbolts.” It’s not on the same level of Easter eggs as last year’s “Deadpool and Wolverine,

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.

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

How Franklin Richards, the power cosmic and Doctor Doom's appearance in "The Fantastic Four: First Steps" credit scene affects "Avengers: Doomsday."

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.