"Oof!" Thor dropped the dog's leash, at which point the dog crossed over to Tony's bed and curled up under it politely, not even eyeing the food. He would have been impressed if he hadn't been batting around at whoever was up on top of him and...scratch that. Thor knew exactly who it was.
"Loki!" he batted around a little, but gently now that he was used to the shock. "You're here too?"