Way worse than Eternals. Surprising but understandable. BP 1 had big benefit internationally from IW hype, this is missing that. Black lead titles are not easy to open.
If CS equivalent is what you want and I actual prefer RT over CS, though best is Posttrak but that's behind paywall.
IMO, @Legion By Night may suggest any changes if any
97-100% ~ A+
94-97% ~ A
90-94% ~ A / A-
85-90% ~ B+ / A-
80-85% ~ B / B+
<80% is trash
Recently many high ratings are manufactured though pre 2015 high ratings are mostly valid.
Some of these high rated movies are targeted at Indian audience, so may not translate well outside India. Many would travel well internationally as well, e.g. GOW