Justice League of America #220 (1960 1st Series)

Learn the true origin of the Black Canary! Guest-starring the Justice Society! “The Doppelganger Gambit” is written by Roy Thomas, with art by Chuck Patton, Romeo Tanghal and Pablo Marcos. Continued from last issue. Characters: Red Tornado; Flash [Barry Allen]; Green Lantern [Hal Jordan]; Zatanna; Firestorm; Black Canary; Elongated Man (all as the Justice League of America/JLA); Flash [Jay Garrick]; Power Girl; Hourman [Rex Tyler]; Huntress [Helena Wayne]; Starman [Ted Knight]; Sargon; Johnny Thunder’s Thunderbolt; Johnny Thunder [Earth-2]; Hawkman [Carter Hall] (flashback); Atom [Al Pratt] (flashback); Green Lantern [Alan Scott] (flashback); Wonder Woman [Earth-2] (flashback); Dr. Mid-Nite (flashback) (all as the Justice Society of America/JSA); Jim Corrigan [Earth-1] (cameo); Johnny Thunder [Earth-1] (villain); Chronos; Fiddler; Icicle; Dr. Alchemy; The Wizard; Felix Faust. Cover by George Perez.