Action Comics #16 (1939)

In this timeless comic book classic, Superman shows his true strength and honor by saving a man from committing suicide. But when he learns that the man is in trouble due to his gambling debts, Superman decides to take matters into his own hands. He sets out to uncover a string of crooked gambling establishments and put an end to their deceitful ways. As the story unfolds, we see Superman's unwavering commitment to doing what's right and protecting the people of Metropolis. Speaking of Metropolis, did you know that this comic contains the very first mention of this iconic city? In panel 21, Clark asks his editor why gambling is allowed to thrive in the city of Metropolis. Overall, Action Comics #16 is a thrilling and important addition to any comic book collection.