You know, a lot of talk has been going about how bad Spider-Man has performed box office wise, but I don't think it is an isolated incident. Godzilla barely beat it by a few million. Captain America exceeded expectations but was still in the 90's. X-Men has made 111 million but their 3 day total was less than all three of those movies, and only the fifth highest Memorial Day debut, now the 4th x-Men movie in a row that hasn't opened bigger than X3. But total world wide BO, DoFP is now Fox's biggest movie ever.
Now I admittedly I don't know squat about Box office results besides what I gloss over every now and then, but I'd imagine the summer so far has not been as successful as some money counters would like. I know you have to take into account the budget, marketing expenses, and how much money is paid out to others before it comes back into the studio.
Still it stands that Spider-Man is still a ways away from the goals the executives would have liked to hit, but I wouldn't be surprised if at the end of the summer it's looked back on as a relatively weak one. Numbers wise anyway. But as DoFP shows, it depends on the criteria you set for those numbers.
