I'm excited for the spectacle, but I wish I cared more about these characters.
Despite numerous films, I just don't feel much of an attachment to anyone, and I still think Thanos is such a hugely missed opportunity in that he could've been more fleshed out by now as this villain that makes you want to hate him and for the heroes to win, but it just instead feels like I'm supposed to not like him because he's the bad guy.
I get most of the films having standalone stories; I'm even fine with it. I just think that considering how many of them there are, that there's been a severe lack of character development outside of maybe Tony Stark, and that's pretty surface level at the most. I really like most of these movies, but they've failed to get to me on an emotional level, therefore I'm personally not really feeling the stakes here. Even Black Panther, which I really liked, didn't make me care that much about T'Challa, and I didn't think it developed him at all, whatsoever, despite a 2+ hour run time. I don't feel like I know any more about him than I already did.
I hope this film changes my mind, and creating a cinematic universe is tricky and a huge endeavor so I'm not trying to be too hard on it, but again these movies so far have just lacked any real emotional heft at least in regards to Thanos; just in that there's literally no developed conflict between him and the Avengers. I like most of the characters enough, but only a handful of the MCU entries have really impressed me, and those include Winter Soldier, Civil War, Guardians vol. 1 and Ragnarok-- which was finally a really good Thor movie, but one that still didn't quite make me give that much of a shit about him.
So yeah. Here's hoping. I love that they're doing this and it's insanely impressive, but at the same time I'm still having a hard time feeling a lot of it.