First Steps" star Vanessa Kirby breaks down Sue Storm's birth scene and her mid-credits moment with Robert Downey Jr. as Doctor Doom.

By the end of next year, Robert Downey Jr. will have done both when he finally arrives in theaters as the leader of Latveria and metal-plated bad guy, Victor von Doom. Bringing back the star power and charisma he let rip as Iron Man and using it for evil in the franchise he helped build,