In the near future, a weary Logan cares for an ailing Professor X, somewhere on the Mexican border. However, Logan's attempts to hide from the world, and his legacy, are upended when a young mutant arrives, pursued by dark forces.
When a young boy accidentally triggers the universe's most lethal hunters' return to Earth, only a ragtag crew of ex-soldiers and a disgruntled scientist can prevent the end of the human race.