Title: The Most Dangerous Earth of All
Featuring: Justice League of America
Character Appearances: The Flash [Barry Allen]; Wonder Woman [Earth-1]; Superman [Earth-1]; Green Lantern [Hal Jordan]; Batman [Earth-1] (all as the Justice League of America/JLA); Dr. Fate; Black Canary; Hawkman [Carter Hall]; Dr. Mid-Nite; Starman [Ted Knight] (all as the Justice Society of America/JSA, guest stars); Johnny Quick [Earth-3]; Superwoman; Ultraman; Power Ring; Owl Man (all as the Crime Syndicate, villains)
Credits: Gardner Fox (Script), Mike Sekowsky (Pencils), Bernard Sachs (Inks), ? (Colors), ? (Letters).