The Bulleteers (1942)

The Bulleteers is the fifth of the seventeen animated Technicolor short films based upon the DC Comics character of Superman, originally created by Jerry Siegel and Joe Shuster. This animated short was created by the Fleischer Studios. The story runs about nine minutes and covers Superman's adventures as he defends the city against a villainous gang called "The Bulleteers", who are equipped with a bullet-shaped rocket. It was originally released 26 March 1942.

More at Wikipedia.