I don't remember this scene, so I don't know if she had a good reason for this... But, just wanted to quickly note that girls should NOT hit boys unless you have a really good reason. Seriously. Carry on.
I had a headcanon throughout the movie that she (her, not black widow) was Harriet Jones (you know, "Harriet Jones, Prime Minister", "Yes, we know who you are"). After "The Stolen Earth" and "Journey's End", she joined World Security Council to discreetly defend the world against more Alien threats.
Clark Gregg gives update on S.H.I.E.L.D. series — Clark Gregg appears to be the principle beneficiary of the creation of a new S.H.I.E.L.D. TV series, with the actor taking time out to explain how his character Agent Coulson is set to be given a new lease of life… http://filmfun.tumblr.com