Saw it yesterday, with some stuff spoiled before.
Things I liked:
- All the family reunion with Thor and Iron Man
- Valkyrie returning
- Spiderman fight sequence
- Wanda fight sequence
Things I didn't like:
- Thanos dying in the first 5 minutes and bringing another one who knew nothing about it to play. Felt no connection with him and ruined the movie for me.
- Ruffalo Hulk
- Fat Thor
- Messing with the infinity stones meant nothing in the grand scheme of things (at least for now)
- Everything was easy to fix
There are more but it would be what I wanted to happen, so I cannot consider it a flaw.
5/10 won't see it again.