This story discusses major plot developments, including the ending and post-credits scenes, in "The Fantastic Four: First Steps," currently playing in theaters. From the very first scene, the question of what will become of the child of Reed Richards (Pedro Pascal) and Sue Storm (Vanessa Kirby) looms over "The Fantastic Four: First Steps.

The Fantastic Four First Steps’ ending and post-credits scenes explained. Doctor Doom's MCU debut teased as Robert Downey Jr sets up Avengers Doomsday. Franklin Richards' powers revealed.

The Marvel Cinematic Universe officially has its Fantastic Four. Or should we call it five? The new film, which is in theaters now, is largely centered around the fact that Reed Richards (Pedro Pascal) and Sue Storm (Vanessa Kirby) have a child named Franklin.

Credit: Marvel Studios In their MCU debut, the Fantastic Four become a Fantastic Five with the arrival of Reed and Sue's son, Franklin Richards. Worries that he might not be "normal" are confirmed in Fantastic Four: First Steps when Galactus recognises that the boy can wield an unlimited energy known as the Power Cosmic (presumably because of the "cosmically compromised DNA" shared by both of his parents).

First Steps brings Franklin Richards into the MCU, a character who has shaped Marvel's past and may shape the future of the cinematic universe.

First Steps" has a thrilling ending that teases Dr. Doom and where the MCU goes from here in "Avengers: Doomsday."

First Steps star Vanessa Kirby (Invisible Woman) weighs-in on what is arguably the Marvel Studios reboot's most intense

Except, that's not really the case, because there was an incredible Fantastic Four movie just over 20 years ago. It just wasn't technically a Fantastic Four movie. The argument that Pixar's 2004 masterpiece The Incredibles is not-so-secretly a Fantastic Four film is hardly a new one,