In this 3rd X-men animated film, the apocalypse is approaching. The future they face is not pleasant. Evil sentinels capture Xavier in the future and he ends up in a horrible prison camp. With the future they are facing the X-men decide to follow their new leader, Wolverine. They begin to take action against the mutants and the Brotherhood’s plan to start a war between the mutants and the humans. Can the X-men succeed in their quest to defeat the mutants and put a stop to the Brotherhood’s plan or is the world doomed to face a horrible future that failure promises?