I really liked the movie. There was one point where it started to feel a little like it was dragging but nothing bad. I cried, a lot.
Things I didn't like Natasha dying. I hated that. I hated that she died and HAwkeye lived. I already didn't really care about Hawkeye. And the sacrfice thing is tricky but then if she had done that and it hadn't worked it would have been worse. Also the way most of Thor's despressiona nd PTSD weight gain and eating and drinking was handled. Rocket making jokes I get that's his thing, but it was played for laughs , about half the audience laughed at his reveal and later. There were a few other minor things,
Things I liked a lot of it. I mean there was a ton of stuff that made me cry that I enjoyed the way it was done. Tony looking at the picture of Peter. Peter when he saw Mr Stark again , the whole of everyone showing up. I loved Thor with his mom. I think Chris Hemsworth did a really good job with Thor's panic attack. Also when Frigga talked about how everyone fails at being who they are supposed to be I started losing it again bevuase that hit really close to home. Cap weilding Mjolnir! And Thor's excitement . Adn it wasn't just a one off he kept using it and using it well. It made me happy.
The Girl Power moment it may have been pandering to have all the women assemble like that but it got to me. It also makes me want a Black Widow movie and a Shuri spin off and more Captain Marvel movies.
As for the ending part I was surprised that Steve was taking Mjolnir back to the past with him. But Steve seemed like he knew what he was doing and I am going to assume that he talked about his with Doctor Strange and Bucky. I'm sure there was a way for them to do it iwth all the time stuff they ha. Plus Bucky didn't seem shocked and he didn't go over to say anything. So that's how I'm spinning it.
There is other stuff but that is my initial reaction . Oh except I was projecting a lot of my anger at the current situation in the US and with the GOP on to Thanos because I could barely stand him. ,ANd when he started talking about arrogant people I wanted to yell "loooking in the fucking mirror you hypocritical arrogant ass!" Which is what I feel like saying multipe times a day to the GOP. I was mad he got to sit down and strike a pose beore he turned to dust.