Thanos is a key figure in the 23 films that make up the MCU's Infinity Saga, having appeared in five of its films, most notably as the main antagonist of both Avengers: Infinity War (2018) and Avengers: Endgame (2019).

Thanos soon found himself challenged by the alliances of the entire universe's greatest heroes, which included the Avengers and Guardians of the Galaxy.

Apr 4, 2023 · Although the Avengers managed to bring all the Stones to 2023, an alternate Thanos from 2014 was also brought with all of his forces. This led to an epic battle between the Avengers, accompanied by all of their resurrected allies, and Thanos, accompanied by Chitauri and the Black Order.

Apr 27, 2018 · The Avengers and their allies must be willing to sacrifice all in an attempt to defeat the powerful Thanos before his blitz of devastation and ruin puts an end to the universe.

On Earth, Thanos clashed with the remaining Avengers and their allies in Wakanda. Though the Scarlet Witch succeeded in destroying the Mind Stone, and Vision with it, before Thanos could claim it, the Titan simply used his newly-acquired Time Stone to bring Vision back.

In the Marvel Cinematic Universe, the character was first played by Damion Poitier in the film The Avengers (2012) and then by Josh Brolin in Guardians of the Galaxy (2014), Avengers: Age of Ultron (2015), Avengers: Infinity War (2018), Avengers: Endgame (2019), and the first season of the animated series What If...?

Thanos is clearly the Bigger Bad of the first half of the Avengers film series, as he is the one responsible for providing Loki with the Mind Stone and an army to invade Earth in the first film, and that the Mind Stone is what gave Ultron free will …

Thanos soon found himself challenged by the alliances of the entire universe's greatest heroes, which included the Avengers and Guardians of the Galaxy.

Thanos sought the Infinity Stones with his followers, the Black Order, testing both the Avengers and the Guardians of the Galaxy - eventually succeeding in his goal to wipe out half the universe in an apparent effort to save it, after destroying the Infinity Stones, Thanos was killed by a vengeful Thor Odinson.

May 25, 2023 · Introduced as the overarching villain of the MCU's Infinity Saga, Thanos was a terrifying threat facing the Avengers in Phases 1, 2, and 3. Originally portrayed by Damion Poitier in The Avengers' post-credits scene, Josh Brolin assumed the role of Thanos from Guardians of the Galaxy onwards.