Justice League of America #205

The cover by George Pérez and Mike DeCarlo tells you everything you need to know about the stakes: the entire Justice League — Superman, Wonder Woman, The Flash, Green Arrow, Aquaman, Black Canary, and more — lies battered and incapacitated in what appears to be a hospital setting, while a spectral, ghostly figure looms above them. The cover text makes the threat explicit: Hector Hammond is out to destroy the JLA, and the only hero who can stop him is Professor Martin Stein. Gerry Conway's "The Final Hand!" arrives in 1982 with a roster this thoroughly beaten, making it a genuinely compelling read for any fan of the team's Bronze Age adventures.