Warning! Spoilers for Eternals #10 by Marvel Comics
The Avengers might have been unwilling to initially sacrifice Vision in Avengers: Infinity War and destroy the Mind Stone to stop Thanos, but the Mad Titan's parents don't feel the same when it comes to collateral damage. In Eternals #10 by Marvel Comics, Thanos threatens his recently returned parents with killing ten thousand innocent lives if they don't give him information only they have about restoring his body to its full strength. Thanos' parents refuse, telling him that better they burn instead of entire worlds.
In Avengers: Endgame, after learning Thanos' Black Order is on Earth and attempting to assemble the Infinity Stones for the Mad Titan, Vision volunteers to sacrifice himself and the Mind Stone to prevent the villain from gaining the greatest power known in the universe. But, the Avengers refuse to sacrifice Vision, opting to figure out a different solution that eventually takes them to Wakanda, where they attempt to remove the Mind Stone safely. Unfortunately, that plan fails, as Thanos finally catches up to the Avengers and kills Vision twice (after rewinding time following Scarlet Witch destroying the Mind Stone too late) and gains the final stone needed for the Infinity Gauntlet — leading to the snap. If the Avengers had destroyed the Mind Stone when Vision suggested his sacrifice, Thanos might have never gained the full powers of the Infinity Stones.
Related: Doctor Strange Beat the Infinity Gauntlet Alone, Long Before Endgame
In Eternals #10 from Marvel Comics by Kieron Gillen, Esad Ribic, Matthew Wilson, and VC's Clayton Cowles, Thanos learns his parents are alive and are the key to restoring his damaged body to its former powerful self. After
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