Comic book collecting the popularity of superhero characters Superman, Batman, and Captain Marvel. Since the 1960s, two publishers have dominated the American comic book industry: Marvel Comics, publisher of such comics as "Spider-Man", "X-Men", and "Fantastic Four", and DC Comics, which publishes titles such as "Superman", "Batman", and "Wonder Woman". Other large non-manga publishers include Image Comics, IDW, and Dark Horse Comics. As comic books regained their popularity in the 1960s during the boom of the Silver Age, fans organized comic book conventions, where they could meet to discuss their favorite comics with each other and eventually with the creators themselves. , numerous
American comic book comic book schools globally, along with Japanese manga and the Franco-Belgian comic books. The typical size and page count of comics has varied over the decades, generally trending toward smaller formats and fewer pages. In recent decades, standard comics have been about × , and usually 32 pages long. While comics can be the work of a single creator, the labor of making them is frequently divided between a number of specialists. There may be a separate writer and artist, or there may be separate artists for the characters and backgrounds. Particularly in superhero comic books, the art may be