Superhero films weren't always billion-dollar blockbusters. In the 1940s, characters like Batman and Superman struggled to make the leap from comic pages to the big screen. Costumes were clunky, effects were laughable, and stories felt too campy to take seriously. That changed in 1978 when Superman: The Movie proved a superhero film could soar. It wasn’t just a success—it redefined what these movies could be.