Action Comics #31 (1940)

Action Comics #31 is a comic book that every Superman fan, or comic book aficionado, should be familiar with. This thrilling story sees Superman visit Brentville, where he finds every inhabitant asleep due to a strange gas. As Clark and Lois try to uncover the mystery of the gas, they become embroiled in a bank robbery scheme that leads to their arrest. It's up to Superman to save the day, defeat a foreign spy, and save Professor Hunter, the inventor of the sleep gas.

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