First Steps" brings a new supergroup into the MCU while a post-credits scene gives a taste of an iconic supervillain. Spoilers!

The MCU introduces Marvel's first family in "The Fantastic Four: First Steps," but what do you need to watch first?

Thanks to the Thunderbolts* post-credits scene, we'd all assumed we knew how The Fantastic Four: First Steps was going to end; with Marvel's First Family having hopped on a ship and travelling, somehow, to Earth-616 on the Sacred Timeline. You know, the universe in which the Avengers exist...