Loki may have been known as the 'god of lies' in some quarters, but TK wasn't going to call him on it to his face. He could always come later and check again on his own when Loki wasn't around.
"That's good to know, sir. Thank you." He nodded his head respectfully and then looked around. "It doesn't seem that different from what I remember. Odd to see it so empty though."