X-Men (2000): Two mutants come to a private academy for their kind whose resident superhero team must oppose a terrorist organization with similar powers.

X-Men 2 (2003): The X-Men band together to find a mutant assassin who has made an attempt on the President's life, while the Mutant Academy is attacked by military forces.

X-Men: The Last Stand (2006): An all-out war looms when the discovery of a cure for mutations draws a line between the followers of Charles Xavier and those of Magneto