Published Jun 1966 by DC.
Cover pencils by Curt Swan, inks by George Klein. Two part-story in which Superman actually dies for a brief time: The School For Superman Assassins! [part 1] starring Superman, Kill Kid [Kangor], and Murder Man, script by Otto Binder, art by Curt Swan. Zunial's Secret Weapon [part 2]. Statement of ownership--average print run 1,179,000; average paid circulation 823,829. Rocky and Bullwinkle star in a one-page Cheerios ad. 36 pgs. $0.12. Cover price $0.12.