Avengers #9

SECRET EMPIRE TIE-IN! The most loved Avenger of all has now shown his true colors - and the Avengers will have to put their allegiances to Steve Rogers aside and fight the good fight! But for one Avenger, that fight is very far away indeed! Trapped in a nameless land, a timeless time, can Thor find her way back to the here and now in order to return to the struggle? Rated T