First Steps director Matt Shakman and the writers know full well that fans were drooling to get a first look at the MCU version of Doctor Doom, and they tease the possibility of a Doom cameo throughout the movie.

First Steps. In a mid-credits scene he was seen allowing Sue and Richard's son Franklin Richards touching his face. But what is the larger impact of this scene leading up to Avengers Doomsday?

Even more important is the question of why The Fantastic Four: First Steps showed us that vacant chair. Was it merely to tease Doom’s appearance at the end of the movie? To remind us he’s coming in Avengers: Doomsday?