DC · October, 2026
1st Appearance of Cosmic Boy; 1st Appearance of Cosmic Boy (Rokk Krinn); 1st appearance of Legion of Super-Heroes; 1st Appearance of Legion of Super-Heroes; 1st appearance of Lightning Lad; 1st Appearance of Lightning Lad (Garth Ranzz); 1st appearance of Saturn Girl; 1st Appearance of Saturn Girl (Imra Ardeen); Origin of Cosmic Boy (Rokk Krinn); Origin of Legion of Super-Heroes; Origin of Lightning Lad (Garth Ranzz); Origin of Saturn Girl (Imra Ardeen); Superboy joins team
The Legion of Super-Heroes; The Thirteen Superstition Arrows; Aquaman’s Super Sea-Squad
Writers: Jerry Siegel, Otto Binder
Artists: George Papp, Al Plastino, Ramona Fradon