Eternals movie review: A dash of Transformers, a teaspoon of X-Men, and two cups Superman and The Flash = Marvel's latest seesaw superhero entry

Long before civilization began, before the dawn of the first humans, at the very beginning of time when our planet was created, Eternals were sent to protect the evolution of intelligent life from creatures known as Deviants, with the caveat being that they couldn't interfere in any other aspect of human history