Venom: Dark Origin is a comic book miniseries published by Marvel Comics that explores the backstory of one of Spider-Man's most iconic villains, Venom. The series delves into the origins of Eddie Brock, the original host of the Venom symbiote, and his transformation into the anti-hero. It provides a deeper understanding of the character's motivations and history, making it an essential read for fans of the Spider-Man universe.