A new Supergirl poster has sparked an unexpectedly heated debate among DC fans, all because of one detail that some viewers believe raises questions about Kryptonian biology.
As anticipation builds for the upcoming superhero film starring Milly Alcock, an eagle-eyed fan’s observation has gone viral for what some believe are surprising implications about Superman’s powers.
It also sparked a flood of theories, comic-book explanations, and confused reactions online.
