Fred Rogers is an avid fan of the Avengers movies, with 'Avengers: Endgame' being his favorite. He is so deeply passionate about it that an alternate Avengers system monitors his existence. One freaky day, Fred wakes up in a different world—a parallel universe where the events of the Avengers and 'Endgame' unfold. Suddenly endowed with a superpower and a guiding system, his mission is to assist the Avengers in thwarting Thanos while ensuring the survival of everyone, including Iron Man.