A composite cover, the Batman figure is by Mike Sekowsky and Bernard Sachs and from Justice League of America (DC, 1960 series) #37; the Sgt. Rock figure is probably by Joe Kubert; the Legion figures are by Curt Swan and Murphy Anderson from the cover of The Legion of Super-Heroes Archives (DC, 1991 series) #1; the art credits for the remaining JLA members are undetermined, and from a house ad announcing Johnny DC (circa late 1962).
First appearance of the Legion of Super-Heroes. Lightning Lad is called Lightning Boy in this story only and all three Legionnaires appear in these costumes in this issue only. Several other unidentified Legionnaires appear in this story, including one who is colored to imply he is Brainiac 5. Story mistakenly credited to Jerry Siegel and George Papp in item. Correct credits from Archives and elsewhere.