On sale date from the publication date found in the Catalog of Copyright Entries, Third Series, Volume 15, Part 2, Number 1, Periodicals, January-June 1961. Second class permit. Copyright number B887088.
Superman [Clark Kent]; Lois Lane; Brainiac (villain); Supergirl [Kara Zor-El]; Buzz Windrow; King and Queen of Rurtainia
Braniac travels to Earth to steal some aluminum and also to test his new ray on Superman, a ray which is combined Red and Green Kryptonite. The new ray makes Superman act strangely, forcing him to always wear a hat while performing super deeds.