The
X-Men are a team of
superheroes appearing in
American comic books published by the
Marvel Comics. The monthly
X-Men comic book debuted in 1963, along with the team itself. That series is now titled
Uncanny X-Men and is best known by that name. Due to the X-Men's immense popularity, Marvel has launched dozens of
spin-off series, called “X-Books,” throughout the years.