Doctor Doom's reign of terror is just beginning. Here's what to know about his role in the upcoming movie, 'Avengers: Doomsday,' including cast, release date and potential plot.

Based on how First Steps ends, Doomsday will probably open with Doctor Doom kidnapping young Franklin Richards and making a beeline for Earth-616, forcing Reed and his family to pursue. Reed and Vanessa Kirby’s Sue will be desperate to reunite with their son, forming what will surely be one of the key emotional throughlines of the film.

First Steps, Vanessa Kirby, seems to be enjoying her new role as Sue Storm. Thus far, as a part of the Marvel universe, Kirby has only had rave reviews for her castmates throughout the process. While Kirby and on-screen husband Pedro Pascal (Reed