In April 1940, the official newspaper of the SS — a Nazi Party paramilitary organization — denounced Superman and ridiculed its creators.

Discover how Cleveland transformed into Metropolis for the new Superman movie, with director James Gunn using locations like Public Square and Progressive Field.

Let's go back to the 1940s radio show: "Superman -- strange visitor from another planet who came to Earth with powers and abilities far beyond those of mortal men.