As promised, here is my spoiler-free review.
1) I really liked it.
2) It clears my Threshold of Awesome
3) It retroactively boosted my enjoyment of Avengers: Infinity War. 

I’ll say more later. I do think you should make time to see this in theaters soon, because being part of the audience for this made it extra awesome for me. YMMV, but hey, you might like that too.