In 1994, Captain Universe appeared in a one-shot, coinciding with a promotion, with the claim that readers could have a comic about themselves made for a fee. The comics were generally stock stories, with minor details (such as skin or hair color, key names or phrases, etc.) altered based on information provided by the purchaser. Veterinary student Jeff Christiansen, who would later become the force behind the resurgence of the "Official Handbook of the Marvel Universe" in the mid-2000s was made the official Captain Universe of the comic so that it could be considered an in-continuity comic. The one-shot was titled "X-Men/Captain Universe: Sleeping Giants".