Introduced inEternals’ mid-credits scene, Starfox is his race’s best candidate for Avengers membership in the MCU. Played by Harry Styles, Eros aka Starfox is the brother of Thanos and the prince of their homeworld, Titan. Looking at the implications of his scene aboard the Domo with Pip the Troll, Starfox is in a position to join forces with the MCU’s Eternals team.
Starfox claiming to be able to help them find the captured Eternals strongly implies that he’ll be a major ally to the group in the future. The implication is that their partnership will play out in Eternals 2, but that may not be the limit of his role in the MCU. After all, Starfox is a cosmic hero who travels all around the galaxy. There’s no reason why he couldn’t cross paths with Captain Marvel, the Guardians of the Galaxy, or Thor in their respective MCU movies. Aside from the possibility of receiving a cameo in an upcoming Phase 4 movie, a different option exists with his character. Starfox has the potential to be on the roster of Earth’s Mightiest Heroes in The Avengers 5.
Related: The Eternals Met the MCU's Sorcerers Long Before Doctor Strange
With the MCU being in need of a reshuffled Avengers lineup after the Infinity Saga, it makes sense that Marvel will look to some of the characters added by Phase 4, such as Eternals’ very own Black Knight. As for the Eternals themselves, they too boast some heroes who could become Avengers in the future. The one with the best chance of getting a spot on the roster is Starfox, who was a major member of the team during the mid-1980s. Sersi has Avengers connections as well, but Starfox has better, personal motivations for joining the Avengers. As someone who apparently values his standing as a celebrated hero,
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