The fist half an hour is truly awful. Wooden acting, an overuse of CGI, poor attempts at jokes (not humour, it was nowhere near humour) and a total under utilisation of the Guardians cast.
It did pick up a little after that but it never made it anywhere near Ragnarok. Perhaps my expectations were just too high?
While some of the big scenes looked good on the big screen I'd suggest waiting until it's on Disney+