It is not usually quite so easy to make her smile, but this particular situation is extraordinary to say the least, and though there a certainly some who would claim that Lady Sif has no sense of humour, they would be wrong. She has a funny bone, and it has been thoroughly tickled by this ridiculousness.

Besides, Clark has the sort of presence that she has come to associate with Thor, radiating strength and kindness. She has always found it easier to relax around such people. Not that she actually knows this stranger, but for the moment that is her perception of him.

"Certainly, what other reason could I have to smile? And you owe me nothing."

She reaches out to take his offered hand, but she takes hold of his wrist rather than the hand itself.

"Greetings, Kal-El. I am Lady Sif of Asgard."