
EXCERPT:
The director of Marvel’s Eternals says the film will explain why the team did not interfere during the Infinity War. It is a question that many audience members have asked since Eternals was announced, and a truly satisfying answer will be hard to deliver. But based on the comic-book history of the characters, there is some precedent.
Created by Jack Kirby when he returned to Marvel Comics in the 1970s, the Eternals have had a difficult publication history. Kirby’s original saga was never finished, and many of his plot lines would be resolved and used as part of retcons for other powerful galactic beings for the next few decades of Marvel. The key was always that the Eternals remained hidden for thousands of years, fighting a secret war against the Deviants while their powers slowly grew. Likely, the movie will follow suit.
(full article)
https://screenrant.com/marvel-eternals-chloe-zhao-infinity-war-avoided-why/