Thor's eyebrows rose, amusement mixing with mild alarm. He decided he didn't want to know.

He caught her arm, fingers brushing the underside of her forearm and then her hand, which he brought to his lips. It was a more formal farewell than necessary, but there was a glimmer of good humor in his eyes again. "Until tonight, Lady Sif."

And as he stepped back into the shadow of the doorway, it began to rain.