Marvel’s ‘Eternals’ Is Now The Worst-Reviewed MCU Movie, Below ‘Thor: The Dark World’ A week ahead of release, Marvel’s Eternals is looking like a rare misstep from the MCU. With over 100 reviews in, its critical Rotten Tomatoes score has dropped to a 61%, barely above a “fresh” rating, and yet also making it the worst-reviewed MCU movie out of 26 total films.