X2 (also marketed as X2: X-Men United, and internationally as X-Men 2) is a 2003 American superhero film directed by Bryan Singer and written by Michael Dougherty, Dan Harris and David Hayter, from a story by Singer, Hayter and Zak Penn. The film is based on the X-Men superhero team appearing in Marvel Comics. It is the sequel to X-Men (2000),...