I'm voting Good.
Is it as good as Avengers? Not even close.
Is it better than the other Spidey movies? Yes, except for "Spider-Man 2." it's definitely as good as that one, better than the others.
Two things I especially liked: Spidey was more of a wise-ass in this one, which is more consistent with the comics...
AAAAAANNND, He got his web-shooters back!
That's the real Amazing Spider-Man!
And of course, Emma Stone as Gwen Stacy...