Avengers: Infinity War is a 2018 American superhero film based on the Marvel Comics superhero team the Avengers, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the sequel to 2012’s The Avengers and 2015’s Avengers: Age of Ultron, and the nineteenth film in the Marvel Cinematic Universe (MCU).
Having acquired the Power Stone from the planet Xandar, Thanos and his lieutenants—Ebony Maw, Cull Obsidian, Proxima Midnight, and Corvus Glaive—intercept a spaceship carrying the last survivors of Asgard. As they extract the Space Stone from the Tesseract, Thanos subdues Thor, overpowers Hulk, and kills Loki. Heimdall sends Hulk to Earth using the Bifröst before being killed. Thanos departs with his lieutenants and obliterates the ship.
Hulk crash-lands at the Sanctum Sanctorum in New York City, reverting to Bruce Banner. He warns Stephen Strange and Wong about Thanos’ plan to kill half of all life in the universe; in response, Strange recruits Tony Stark. Maw and Obsidian arrive to retrieve the Time Stone from Strange, drawing the attention of Peter Parker. Maw captures Strange, but fails to take the Time Stone due to an enchantment. Stark and Parker pursue Maw’s spaceship, Banner contacts Steve Rogers, and Wong stays behind to guard the Sanctum.
In Edinburgh, Midnight and Glaive ambush Wanda Maximoff and Vision in order to retrieve the Mind Stone in Vision’s forehead. Rogers, Natasha Romanoff, and Sam Wilson rescue them and take shelter with James Rhodesand Banner at the Avengers Compound. Vision offers to sacrifice himself by having Maximoff destroy the Mind Stone to keep Thanos from retrieving it. Rogers suggests they travel to Wakanda, which he believes has the resources to remove the stone without destroying Vision.The Guardians of the Galaxy respond to a distress call from the Asgardian ship and rescue Thor, who surmises Thanos seeks the Reality Stone, which is in the possession of the Collector on Knowhere. Rocket and Groot accompany Thor to Nidavellir, where they and Eitri create a battle-axe capable of killing Thanos.