"X-Men 2," also known as X2: X-Men United, is a 2003 superhero film directed by Bryan Singer. It is the sequel to the 2000 film X-Men and continues the story of mutants, individuals with extraordinary abilities. The film follows the X-Men as they unite to confront a new threat from William Stryker, a military general who seeks to eliminate all mutants. The plot explores themes of prejudice and acceptance, showcasing the struggles of the X-Men as they fight for their rights. Key characters include Wolverine, Professor X, and Storm, who work together to uncover Stryker's sinister plans and protect their kind from persecution.