Dive into the world of Marvel Comics with X-Man #15, an issue that marked the first cameo appearance of Onslaught in May 1996. This piece of comic book history brings together the rich storytelling of the X-Man series, featuring a pivotal moment in the character's narrative. Collectors and fans alike will appreciate the significance of this issue number 15, which comes from a beloved US Comics tradition. Published by Marvel Comics, it's an essential addition to any comic genre collection, especially for those who follow the adventures of the enigmatic X-Man.