40 years ago, one of the worst superhero movies ever debuted and marked the end of an era

Supergirl premiered 40 years ago, delivering the worst superhero movie ever made. Here’s how bad it was, and how it signified the end of an era.

​ Supergirl premiered 40 years ago, delivering the worst superhero movie ever made. Here’s how bad it was, and how it signified the end of an era. Digital Trends