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Despite this treatment, Thanos deeply cared about his people and sought to become a scientist in order to help them. This included his father, A'lars, whom he had a strained relationship with. Among his race, Thanos was born with physical deformities that caused him to be considered an outcast and shunned by his fellow Titans. Thanos was born the son of A’lars, one of the leading members of the Titan’s leadership. Thanos was born over a thousand years ago on the distant planet Titan, the homeworld of the Titans, an advanced and highly evolved race of beings with incredible strength and lifespans that lasted several millennia.
2.1.15 Doctor Strange in the Multiverse of Madness. Thanos's quest catches the attention of the Avengers, as well as other defenders of the universe such as the Guardians of the Galaxy and Captain Marvel, who band together to defeat Thanos in a battle that culminates in Avengers: Infinity War and Avengers: Endgame. By harnessing the power of the Infinity Stones using the Infinity Gauntlet, Thanos hopes to "save" the universe by wiping out 50% of its inhabitants-a goal he can accomplish by activating the gauntlet with a snap of his fingers. Thanos believes that the universe is in danger of collapsing upon itself as consequence of overpopulation. He is a powerful warlord known across the universe for his genocidal and ruthless tendencies. He is also the adoptive older brother of the superhero Starfox and the adoptive father of Gamora, Nebula, and the Black Order. He first appeared in the Avengers, then in Guardians of the Galaxy and Avengers: Age of Ultron, and later returned as the main antagonist of both Avengers: Infinity War and Avengers: Endgame. Thanos is a supervillain from Marvel Comics and the main antagonist of the Infinity Saga of the Marvel Cinematic Universe. It's frightening, turns the legs to jelly.
To feel so desperately that you're right, yet to fail nonetheless.