I´m not gonna answer why she isn´t a superhero because I seem to be the only who think that.
The part about Hawkeye and BW I need to say some about.
Those who think chars without any superpowers aren´t worth having in AoU/A3 don´t know what they are talking about, and yes ppl think like this. I´dont usually get mad but that is ******ed.
My friend invited a guy he knew to skype. So he asked me what I was doing and I said superherohype forum and the disussion lead to some talk about AoU, and he says: "Yeah that Hawkeye dude can just die in the beginning, so that someone with some actual powers can get more screen time"
Hawkeye is one of my favourites I told the bastard. So he asks "Why? That´s just ******ed he uses arrows when there are lasers, firearms and other much better stuff" I asked him if he ever read some about Hawkeye/TA. He says "Nope" But you have seen Thor? I ask "Yeah that viking dude" Me: Good then I take from you, your fantastic wisdom, and cast you out! He was kicked out of the conversation and that guy never sent a friendsrequest, that I can tell you.