影片故事承接上一集，钢铁侠研发的一个维和项目意外成为危机导火索，本来用于保护世界的奥创机器人却拥有了自我意识，扭曲的信念导致它掀起了一场意图灭绝人类的邪恶攻势。超级英雄们——钢铁侠、美国队长、雷神、绿巨人、黑寡妇和鹰眼等面临着又一次艰巨考验，他们更因为各自理念发生争执，内部矛盾使得复仇者联盟几近分崩离析。随着奥创崛起，复仇者联盟必须重新站在一起面对前所未有的强大劲敌；一场遍布全球、独一无二的史诗冒险就此展开！

The album features the film’s original music composed by Brian Tyler (Iron Man 3, Thor: The Dark World, Furious 7, Now You See Me) and Danny Elfman (Spider-Man, Batman, Alice in Wonderland, Men in Black). The soundtrack will be released digitally on April 28, 2015 by Hollywood Records. A CD version will be coming out on May 19 and is now available for pre-order on Amazon.