1027 - Adventure Comics 310 - The Doom of Super Heroes!

Index Number – 1027- 1.0
Issue – Adventure Comics 310
Cover Date – July 1963
Title – The Doom of Super Heroes!
Characters – Bouncing Boy, Brainiac 5, Chameleon Boy, Colossal Boy, Cosmic Boy, Element Lad, Invisible Kid, Lightning Lass, Saturn Girl, Shrinking Violet, Star Boy, Sun Boy, Superboy, Triplicate Girl, Ultra Boy
Villain - Mxyzptlk V
Synopsis – After being rejected for membership, a masked man (a descendent of Mr. Mxyzptlk) attacks and apparently kills a number of Legionnaires.
Writer – Edmond Hamilton
Artist – John Forte
Editor – Mort Weisinger
Reprinted – Legion of Super-Heroes Archive 2 – 1992
Showcase Presents the Legion of Super-Heroes 1 - 2007
Comments – The Legion is attacked by a rejected applicant. Where have we seen this before? The previous issue!