The Fantastic Four: First Steps follows Marvel's First Family during a pivotal time in their lives: The pregnancy and birth of Reed and Sue's baby son, Franklin. That also coincided with the most significant challenge the Four had yet faced: Their planet served up as a snack for the intimidating Galactus.

First Steps, shed light on why his movie’s ending doesn’t align with the post-credits scene of Thunderbolts*. Notably, the mid and post-credits scenes in the Marvel Cinematic Universe are often used to establish an overarching storyline that spans across the franchise.

Marvel’s ‘Fantastic Four’ introduces powerful new characters to the MCU, and ends with tease for ‘Avengers: Doomsday’—here’s the ending and post-credits scene, explained.