Mighty Thor by Matt Fraction Vol. 3

Collects The Mighty Thor #12.1 and #13-17.His father in exile! His mother on the throne! Thor's world is upside down - and what the heck is Donald Blake doing here, too?! As Thor readjusts to life on Earth, all Broxton - and all Asgardia - begins having the same nightmare. How can Thor fight a foe that's not there?