Re: *Spoilers* Problems caused by the MCU
I think an element of all this is that over the course of many years they have been trying to condition audiences to accept things more like comic book readers do. They're still not quite there but audiences have definitely come a long way in what they'll accept from the leather-clad X-Men of 2000.
9/15/14 - The Marvel Cinematic Universe is only $3,079,698 away from crossing the $7 billion mark. Within a week it'll be there.