I'll repost what I said elsewhere:
For me it's one of the best MCU movie so far.
Brie portrayed Carol with a real delicate touch, I felt. The amnesia thing didn't take away from her performance, as some critics have claimed, instead there was a sort of fragile touch to the whole movie. It still had room for Carol to become the character she is at her best in the books (super-confident, gleeful in action). But when things could've become bombastic or by the numbers epic/melodramatic instead the movie opts for sweetness or simplicity. A climax that doesn't overstay its welcome is also.. welcome.
I still wanted to see more of her earth life from the comic books - the neighborhood Carol, daily struggles, addictions, and so on - but there's room for that later on. It's very much an origin story, with those prerequisite parts, but her relationship with Maria and Monica is still substantial and important. And while I don't think Ben Mendelsohn 'steals the show' (Brie does) he's one of several important pieces in bringing those gentle, sweet moments to the center of the film.
Bonus: Pretty great score (in addition to the 90s songs), felt like it moved through an unusual amount of varied textures and motifs, including some 90s cop movie touches.