When Entertainment Weekly asked Fantastic Four: First Steps director Matt Shakman if Downey Jr. filmed that post-credits scene, the filmmaker pleaded the fifth. "For others to talk about," he teased. However, Shakman did reveal that it was the Russo brothers who helmed the post-credits scene since it was shot for Avengers: Doomsday.

Pedro Pascal as Reed Richards/Mister Fantastic and Vanessa Kirby as Sue Storm/Invisible Woman After a decade, Marvel has brought the Fantastic Four back to cinemas, this time with The Fantastic Four: First Steps.