Team X was a secret branch of the CIA made up of a group of mutants. One of them was the famous Wolverine(Logan). Other members include John Wraith who could like teleport and invincible Fred Dukes. There was a member called Agent Zero who was an expert marksman. There's also Wade Wilson, a superb swordsman, and electropathic Chris Bradley, along with Victor Creed. They are led by Major William Stryker.