| Infinity Stones | |
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| Marvel Cinematic Universe element | |
 The six Infinity Stones. From left to right: Time, Power, Space, Mind, Reality, and Soul | |
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| Based on | Infinity Gems by Marvel Comics |
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| Genre | Superhero fiction |
| In-universe information | |
| Owners | |
The Infinity Stones are fictional items in the Marvel Cinematic Universe (MCU) media franchise, based on the Infinity Gems of the Marvel Comics. As expounded across several interwoven MCU multimedia titles, the six Infinity Stones are reputed to embody and control essential aspects of existence—Space, Mind, Reality, Power, Time and Soul—thereby making them critical artifacts in the MCU and, together, the MacGuffin of the dedicated Infinity Saga.
The Stones, with the exception of the Soul Stone, made their debuts in films leading up to Avengers: Infinity War (2018). The Space Stone, the first Stone to appear, was featured in a post-credit scene for Thor (2011), housed within the Tesseract. The Stone / Tesseract established its significance in the MCU through the antecedent films, Captain America: The First Avenger (2011) and The Avengers (2012). In The First Avenger, the Red Skull used the power of the Stone to power Hydra's weaponry during World War II. In The Avengers, Loki was sent to Earth by Thanos to get the Stone from S.H.I.E.L.D. The Space Stone did not make another appearance until Phase Three, when it made a minor appearance in Thor: Ragnarok (2017) and played a major role in Captain Marvel (2019) when it was revealed that the Stone gave Carol Danvers her powers. The Mind Stone first showed up in The Avengers, housed in a scepter given to Loki in his efforts to get the Space Stone from Earth. The Stone returned within the scepter in Avengers: Age of Ultron (2015) where it was being used on human test subjects. The Mind Stone was eventually used to give Vision life.
Thor: The Dark World (2013) introduced the Reality Stone in its liquid form known as the Aether. It temporarily infected Jane Foster before it was given to The Collector to keep it separate from the Space Stone. The Power and Time Stones made their debuts in Guardians of the Galaxy (2014) and Doctor Strange (2016) respectively. Ronan the Accuser seeks out the Power Stone for Thanos, but he is defeated by the Guardians of the Galaxy, who entrust the Stone with the Nova Corps. Stephen Strange finds the Eye of Agamotto, which houses the Time Stone, and uses it to save Earth from the demon, Dormammu. The Soul Stone was the last Stone to make an appearance, first showing up in Infinity War when Thanos collects the Stone on Vormir after sacrificing Gamora.
Thanos sets out to collect all six Stones to use them to wipe out half of all life in the universe, believing that his plan will save it from extinction. In 2018, Thanos accomplishes his goal and snaps his fingers while wearing the Infinity Gauntlet containing the Stones, causing the Blip. Thanos eventually uses the Stones again to destroy them and five years later, the surviving Avengers form a plan to go back in time to collect the Stones from other time periods to undo Thanos' snap. After defeating Thanos and undoing his actions from 2018, Steve Rogers / Captain America returns the Stones to the exact moments in time that the Avengers collected them from.
Despite being destroyed, the Stones make appearances in the Multiverse Saga, including in Doctor Strange in the Multiverse of Madness (2022) in an alternate universe where Thanos was defeated on his home planet of Titan by the Illuminati before he can collect all of the Stones. They also make appearances in several of the MCU television series on Disney+, between flashbacks in WandaVision (2021) and alternate universes in the first seasons of Loki (2021–2023) and What If...? (2021–present). Scientific studies relating to the Stones have been conducted, mostly since the release of Infinity War, including one focusing on the control of matter.