I went in expecting a weak take on the character, and another failure after the reboot---but what I got was a fun and loyal to source hero movie of the past couple years. Though the pace is fast, to fit all the characters, watching it twice consolidated everything better for me.
No big names actors, except for a few like Nicholas Hout (playing Luthor) but they all have great acting. Sups and Louis chemistry is sweet. Even late characters that shows up at the last 10 minutes resonated well.
This movie is not being silly (I thought it was before watching) but its not too dark. It is a version of Superman where he isn't perfect. It is not an origin story but downright one of many fights on his timeline as a DC character. At times, I had the vibes from the original cartoons and comic books as if it was one extra episode to fit the narrative.
Expect a Superman that is good, but imperfect. Strong but vulnerable given circumstances. Mister Terrific, Louis and Guy where the stars of the movie, and also Crypto---not silly at all but very smart choice by the director.
Cons might range from poor official score, except the traditional Superman tunes, pace too fast to fit too much in a 2 hours long movie, it can be a problem. As a long time DC fan I have high hopes that DCEU will take-off in a glorious flight.