Showcase Presents: Justice League of America #4
"Operation: Jail the Justice League!" brings together the Justice League of America and the Justice Society of America in a high-stakes crossover that tests loyalty and unity. Written by Denny O'Neil and illustrated by Dick Dillin with inks by Sid Greene, this 2009 issue sees the JLA travel to Earth-2 to help the JSA battle the enigmatic Aquarius—only to find the heroes already under his control. Cover by Neal Adams, the story unfolds with tension and emotional weight as the heroes turn on one another, culminating in a sacrifice that reshapes the future of the team.
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The JLA heads to Earth-2 to aid the JSA against Aquarius. By the time they arrive, the JSA defenses against Aquarius have faded and he has made the heroes his slaves. Under Aquarius' control, the JSA fight the JLA. As the energy from Starman's rod increases dramatically, an enormous energy ball forms, which threatens to kill Black Canary. Her husband Larry awakens from Aquarius's control and sacrifices his life to save her. Both teams then regroup and defeat Aquarius with the Black Canary deciding in her grief to leave the JSA for a new home on Earth-1.
Plot details indexed by the Grand Comics Database (CC BY-SA).