Justice League of America #75 Facsimile Edition — DC Comics
Issue: #75 C
Black Canary joins the JLA after traveling to Earth 1 from Earth 2; The JLA must battle evil versions of themselves, and Black Canary discovers she's gained the power of a sonic scream as a result of crossing over to Earth-1.
Creators: Dennis O'Neil, Dick Dillin, Joe Giella, John Costanza, Julius Schwartz, Carmine Infantino
Characters: Ray Palmer, Batman, Black Canary, Green Arrow, Hal Jordan, Hawkman, Superman, John Deleon, Aquarius, Alan Scott