Big reveal from #TheEternals premiere -- Harry Styles has joined the MCU as Eros, brother of Thanos. - Matt Donnelly (@MattDonnelly) October 19, 2021
After months of rumors, it has finally be confirmed that Harry Styles has joined the Eternals and will make his debut in Eternals as Starfox aka Eros of Titan, the brother of Thanos. Unlike his brother, Eros is a superhero and was part of The Avengers in the comics.