I feel like I’ve already defended this summer a bit, and I like talking about movies, so… I’ll elaborate some more.
If you look at quality (OP question: “good or bad”) - RT, metacritic, CinemaScore, whatever you want to use, I’ll go with RT where I reference it because those are easy for me to pull - you have to realize the “average” summer ain’t so great.
2012 had what, five good movies in the top 20? Maybe six if you’re kind to Prometheus? It was top heavy with Avengers and Dark Knight, of course, but there’s little depth. A really good summer if your summer viewing amounts to two movies, which I imagine is a decent chunk of people. Incidentally, I feel pretty strongly that Magic Mike is the third best movie in the top 20. Moonrise Kingdom as a summer release was a nice little indie bonus.
2013 was a little better for blockbusters, but not much. Really good summer for comedies, something at-least-decent for you no matter your taste. I need to go back and watch This is the End again. A ton of relatively big bombs/disappointments last year. Some really good down-the-list indies.
I’d take the 2014 top five reviewed blockbusters (X-Men, Dragon 2, Dawn of Apes, Edge of Tomorrow, 22 Jump) over the top five from either of the past two years. That’s without looking at Captain America (April release, 89% RT, Box Office Mojo starts summer in May still) or Guardians (still to come). Independent movies already better than 2012, and a good chance to end up better than 2013.
(Note that the Lego Movie was a Feb release this year, and Gravity was October last year, among some of the names people have brought up that aren’t close to Summer even if you stretch it.)
I guess I’d rather have a summer with 85-90% RT movies that make less money than a summer with 55-60% RT movies making tons. Box office doesn’t affect me, the quality of what I have to sit through does. Man of Steel, I’m looking at you.
Incidentally, the last summer that I’d say was demonstrably better for top blockbuster quality was 2009. One of the good Harry Potter movies (HBP), Up, the original Hangover, Star Trek, Inglorious Basterds, District 9. What a set of six movies to anchor your summer on. And to bring it all full circle? They all grossed less than… the second Transformers movie.