i think the rumors about appearances are fine to be spoiled. there are some things that happen that probably will lessen the impact if you read about it before watching it.

in the end its just a movie and i dont think you would enjoy the movie much less due to something being spoiled before watching it.

i wanted to watch eternals before watching this but im just going to wait for it to be on streaming simply because disney purposely is waiting to put it on streaming until after spiderman came out lol

im split on reading about eternals before i watch it. i think if i come across something its whatever but im not going to look for it.