It didn't really progress storyline, just was a filler til the next movie. There was no reason Chris needed to come back and most of the movie was dull up until the end fight scene with Cheetah, and even that was lacking compared to the first movie and most superhero movies. The fight scenes weren't that great, Cheetahs portrayal was sexist and shallow and they tried to shove it so full of inspirational quotes that it ended up feeling cheesy and dated. Wonderwoman deserves more screentime showcasing her powers as a minor god and not kissing on some dude that wasn't even in the old comics.