First Steps. The MCU’s take on the Fantastic Four is finally in theaters with Fantastic Four: First Steps. And unlike other movies from Marvel Studios, this doesn’t take place on Earth-616, AKA the main

From nods to the creators to references to Marvel lore, these fun details are hidden in the background of the MCU's newest Fantastic Four movie.

Despite the relatively easy-to-follow storyline, there is a lot going on in the background, so you may have missed some of The Fantastic Four: First Easter eggs, cameos, and references hidden along the way.