Superman films

The Superman films were among the first superhero films to be released. The first one in 1978.

Super Friends references

 * Although the films were featuring a character called "Superman," they were different versions of the Superman of Earth-1A. There wasn't necessarily any references to the Super Friends series in the Superman films, but there were references to the films in the Super Friends series.
 * The Super Friends character Zy-Kree was obviously modeled after the Terrance Stamp version of General Zod from Superman and Superman II.