I also liked how slow it was to get into The Business, as it were. It really took it's time letting it sink in that half of everyone is dead and what that does to the world and those that are left.

For me the second act was the weak one, firstly because I'm generally not big on Time Travel gimmicks, with a few exceptions. The way they did it was pretty OK all things considered, but some of the 'interacting with our past selves' comedy felt a bit out of place given the situation.

Especially Hawkeye and Black Widow fighting each other over who would get to nobly kill themselves. Firstly most of the scene was weirdly 'funny' as they argued and fought over who would get to die. But also I thought the whole point of the soul stone scene in Infinity War was that you had to sacrifice someone you loved, not just 'someone you love has to die here'. So Thanos throwing Gamora off showed his resolve to do what he believed was necessary. Clint and Natasha on the other hand, have no problem with *self*-sacrifice, but were completely unwilling to sacrifice someone else and do 'whatever it takes'.