Thor only gave a smile back and then started for the door with his long, sure strides. He did not mind moving out for her. His friends had wives, husbands, mates, children, plenty of company alongside their growing circle of friends regardless. Thor had his friends, yes, but after everything that had happened as of late in his life he felt it important to stick to his small family. Loki would not have him, he understood that, though he would not stop trying to mend their broken bond despite some of the anger and resentment he had for his brother's war crimes. Still, Katherine was his family, too, and he would be glad to give her company. He would not ignore her as Loki did, he would not let her have his brother's fate filled with rage and mistrust.
"I thought we could fly," Thor said with the greatest of grins. He was a show off, in the end, wasn't he? So he held out an arm as the other took up Mjolnir, loosely swinging it. "I thought you might like to see what it's like."