Probably this girl
How long before or after, timewise, was it the Thor discovered Angela was his sister from the time Nick Fury whispered into his ear? An issue # would be helpful too.
We already know from "Thor" #2 that this new Thor isn't an Asgardian, so that eliminated a number of potentials right there.
I surrender to the Contest
Also to note, when you see the Odinson again in this series, it's him post AXIS inversion.