Four African-American Vietnam veterans return to Vietnam. They are in search of the remains of their fallen squad leader and the promise of buried treasure. These heroes battle forces of humanity and nature while confronted by the lasting ravages of the immorality of the Vietnam War.

故事聚焦在《复仇者联盟4：终局之战》中，另一时空拿走空间宝石（Space Stone）的洛基，描述他作为一名恶作剧之神和变形者的身份，现身在人类历史中的多个时期，影响着历史事件。