Certain popular characters within a fictional universe get used in gratuitous and/or inappropriate ways to enhance marketing. Superhero teams in comic books constantly change. Characters join and leave so often that any given superhero team is often unrecognizable within a year. Other superhero teams have a Heroes Unlimited setup, where there are Loads and Loads of Characters and no two issues will have the same group. As a result, there are a lot more fans of particular comic-book characters than there are fans of particular comic-book teams or comic-book titles. Fans will like a new team book not if it has a name they recognize, but if it has characters they recognize. A new title will often sell based on whether it has already-popular characters in it, and existing characters will often