In a 1982 arc by John Byrne, Franklin gets frustrated trying to solve a Rubik’s Cube and uses his powers to age himself into an adult body, though he couldn’t actually gain more emotional maturity. He winds up going back to being a kid, placing restrictions on his own abilities to allow him to have something of a normal childhood.

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.