Cover: Curt Swan & Mike Esposito

Adventure Comics #374

Nov 1968 · DC · 0.12 USD

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“Mission: Diabolical!”

A sinister hooded figure looms large on Curt Swan and Mike Esposito's cover, issuing a chilling ultimatum to Supergirl and Ultra Boy — kill their fellow Legionnaires or watch the rest of the Legion pay the price. The two heroes are caught in an agonizing standoff, with Supergirl insisting their oath forbids killing while Ultra Boy argues they have no choice, all while shadowy silhouettes of Legionnaires crowd the background. "Mission: Diabolical!" is a strong hook for this 1968 DC issue featuring Superboy and the Legion of Super-Heroes, promising a genuinely tough moral dilemma at the heart of the story.

writer, artist Jim Shooter · artist, inker Win Mortimer · letterer Milton Snapinn · cover Curt Swan, Mike Esposito

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Full credits

writer, artist Jim Shooter

artist, inker Win Mortimer

letterer Milton Snapinn

cover pencils Curt Swan

cover inks Mike Esposito

Full plot ⚠ may contain spoilers

▸ Reveal full plot — may contain spoilers

Dream Girl infiltrates the Taurus gang and unmasks their leader. Having been double-crossed by the Scorpius gang, the Legion is freed by the Subs, who capture the Scorpius leader.

Plot details indexed by the Grand Comics Database (CC BY-SA).