The fourth installment of the Avengers series is the once-in-a-lifetime culmination of 22 interconnected films and the climax of an epic journey. Earth's heroes will finally understand how fragile our reality really is -- and the sacrifices that must be made to uphold it -- in a story of friendship, teamwork and setting aside differences to overcome an impossible obstacle. Peter Travers of Rolling Stone says, "Prepare to be wowed!"