I'm hoping that the events of cap 2 really change his laid back perception of the world. The comics give such a great feeling that cap is a household name and everyone loves and respects him. Even his enemies salute him. The movies come across like its still a secret that he's around, or at least that the common man doesn't seem to care one way or another. I mean, like... All it would take is a scene were ironman is being mobbed by paparazzi, and cap walks by or something and they all just stop and whisper to themselves. No one takes a picture. Stark mocks the press, saying something along the lines of sarcastically telling them he could get them an interview with him. They look at tony like he's walking over their mother's grave. "How DARE you bring cap down to our level!"
It would show how just how much EVERYONE loves cap, and throws a jab at the paparazzi that Hollywood hates at the same time. And it would put a further rift between stark and cap to set up civil war. /shrug
But again, it doesn't show WHY cap is so respected. Cap needs to be the last one standing against ultron.