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1. ADVENTURE COMICS 247 "The Legion of Super-Heroes!"
(Superboy is invited to the 30th century to join a club of super-powered teans, only to fail their initiation tests. 1st app. LSH, Lightning Lad, Cosmic Boy, Saturn Girl, Legion Clubhouse, Legion Time Bubble. Superboy joins)
Cover date: April, 1958 Released: January, 1958
1.1 SUPERMAN'S PAL, JIMMY OLSEN 31 "The E-l-a- s-t-i-c Lad!"
(Jimmy Olsen becomes Elastic Lad for the first time)