DC May, 1961
1st appearance of Bouncing Boy; 1st appearance of Brainiac 5; 1st appearance of Phantom Girl; 1st appearance of Shrinking Violet; 1st appearance of Sun Boy; 1st appearance of Triplicate Girl; 1st apperance of Apparition; 1st sppearance of Shrinking Violet; Supergirl joins Legion of Super-Heroes; Triplicate Girl, Phantom Girl, Brainiac 5, Shrinking Violet, Bouncing Boy joins Legion of Super-Heroes
The War Between Supergirl and the Supermen Emergency Squad!; cartoon: Varsity Vic; Supergirl’s Three Super Girl-Friends!; cartoon: Little Pete
Robert Bernstein, Jerry Siegel
Wayne Boring, Jim Mooney