|Synonyms:||Ant-Man could defeat Thanos|
|Related:||Crack, Meme, Fan Theory, Head Canon|
|See Also:||Marvel Cinematic Universe, Ant-Man and the Wasp, Scott Lang|
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The Thanus Theory is a half-crack, half-serious fan theory that originated in 2018. It speculates how in the movie Avengers: Endgame (2019), Scott Lang, the alter-ego of Ant-Man, could defeat Thanos by shrinking to ant-size, crawl through the Mad Titan's anus and expand again from the inside, killing the villain in the process.
Paul Rudd was confronted with the theory in an interview in July 2018: Paul Rudd reacts to the theory that Ant Man could defeat Thanos