A crime against inhumanity.
As my brother Sean puts it, Thor: Ragnarok is "the Flash Gordon-iest movie since Flash Gordon." And that's a good thing; this film knows exactly what it is, a lighthearted adventure story with just a touch of drama and pathos so as to give the stakes some heft without diminishing any of the fun.
Stuff I loved:
The performances, particularly Hemsworth, Hiddleston, Blanchett, and Ruffalo
The kickass score
The opening sequence - Thor vs. Surtur
The Thor/Hulk bromance