Justice League of America Vol. 1 (1960-1987) #62

Plot

The Justice League of America faces a bizarre new threat when a mysterious "blackmail box" begins terrorizing the city. The device exposes the secret identities of the JLA members, forcing them to act under the threat of public revelation. Batman, Superman, Wonder Woman, Flash, Green Lantern, and the Atom must race against time to uncover the mastermind behind the blackmail box before their personal lives are destroyed. The story combines detective work, superhero action, and the classic JLA dynamic of teamwork under pressure.