Here's another thing I'd like some opinions on. Someone on imdb was saying that Kevin Feige and the rest felt that having Spider-Man coming into the MCU as his high school age was the 'best' way to fit him into the MCU in order that he should not have been missed up to this point. I disagree, obviously, but tell me what you guys think of this:
Sometime prior to the events of Iron Man, Peter Parker is bitten by the genetically altered or, preferably, radiation-mutated spider and develops spider-powers. The whole masked costume thing/amateur wrestling deal happens which people don't really take seriously anyway keeps him out of the SHIELD gifted index and of course the Uncle Ben tragedy occurs. Again, because there are no witnesses to him tracking down the killer, the Spider-Man remains off of SHIELD's radar, but Peter now feels the need to use his powers unselfishly. But him being in high school seriously limits his time for crimefighting despite his gifted intelligence. Eventually he finds a dual life to be overwhelming and hangs up his tights before the public really gets to know their friendly neighborhood Spider-Man. Even if he ended up on SHIELD's list, he would have disappeared from their sights and done nothing to arouse further suspicion.
A couple of years pass and Peter's either about to graduate high school or already has, and the events of the Avengers start happening. By the time he makes up his conflicted mind about whether to get involved in the battle of New York, it's already over, thus keeping him in retirement now that the prospect of college is coming up. Besides which, the Avengers seem to send the message that the world is in good hands, even without him.
But then along comes Age of Ultron, and Peter loses faith in the heroes' ability to keep things under control (hence being on Team Iron Man when Civil War comes up). Peter's well into his college years by now, obviously, and firmly an adult. This is when he finally decides to jump back in and make himself known, and publicly support Tony Stark's agenda.
Is that really not better than him being an out of place teenager among a team full of grown adults with years of experience under their belts? I mean, I get if Feige just has a boner for young Spidey but I don't buy it that this was the best solution their writers could come up with to explain Spider-Man not being present before now.