Thrilled by his experience with the Avengers, Peter returns home, where he lives with his Aunt May, under the watchful eye of his new mentor Tony Stark, Peter tries to fall back into his normal daily routine – distracted by thoughts of proving himself to be more than just your friendly neighborhood Spider-Man – but when the Vulture emerges as a new villain, everything that Peter holds most important will be threatened.
彼得帕克（汤姆•赫兰德 Tom Holland 饰）在内战后受到了钢铁侠托尼斯塔克（小罗伯特•唐尼 Robert Downey Jr. 饰）的赏识，表面上，彼得进入托尼的公司成为了一名实习生，实际上，他和复仇者联盟的成员们一起接受了各种各样的训练。托尼虽然欣赏彼得的勇敢和正直，却并不认为他目前已经拥有加入复联的实力，他派出了特工哈皮（乔恩•费儒 Jon Favreau 饰）暗中观察，这让十分想证明自己的彼得感到万分焦躁。 在对付两个银行劫匪的过程中，彼得发现劫匪们使用的是一种前所未见的新型武器，他孤身一人深入敌后顺藤摸瓜找到了幕后主使秃鹰（迈克尔•基顿 Michael Keaton 饰），让他彼得没有想到的是，秃鹰竟然是他爱慕的女生利兹（劳拉•海瑞尔 Laura Harrier 饰）的父亲。