This issue has variants.
Issue bannered as a "Special Crisis Cross-Over."
Story continued from Infinity Inc. (DC, 1984 series) #19. Last JLA/JSA crossover story pre-Crisis. Mekanique's story continues in All-Star Squadron (DC, 1981 series) #'s 58-60.
Letters from: Ryan Lee, Anthony R. Cardno, Kevin Lawless, Jeff Baughman, Stuart Rockafellow, Bill D. Middleton. Mentions thanks to the following reviewers: David Thompson, Troy Wilson, Lindsley F. Cook, Gerald Mullett, Mark J. Baxter, Marco Aniello, Tom Bissell, Ken Maynard, Barry Reese, The Boove, Gary Pfeifer, L. K. Kupchak, John G. Roberts, Bill Climar, Pat Craig, Joan, Hurricane Heeran, John Bodkin, Carl Cafarelli, Dana A. Snow, Greg Schienke, Rick Blair, Michael Tyrell, Scott Gibson, David C. Archie, Anthony R. Cardno, Charles D. Brown, John Ducksworth, John Wayne Migals, Dean Engemoen, Geoff Todebush, Victor Salek, John Shelton, Robby Depew, Brian Dillon, Ray Sablack, Keith A. Lindsey, Jason Arnold, Jody Hamby, Michael Pickens, Terry Morrow, Randy Derr, F. Grandinetti, Daniel Maddux, Ronnie Clark, John Rossi.