A grin flashed across Pete's face when Lockheed made his presence known. "Hallo, Lockheed. Welcome back." He greeted politely, holding his hand out, palm up, giving Lockheed fair warning before he scratched underneath the purple dragon's chin, like one might pet a kitten. A really big, firebreathing kitten.
He chuckled when she mentioned that the inside of SHIELD was classified, and took no offense.
The Russian shrugged his big shoulders and started towards the stairs to take Kitty's bag up to her room for her. "They are fine. I have not stopped so many students from eating paint or paste before; I think I am making very big difference in world, hm?" He joked. To be fair, his classes (even his freshmen art class) weren't all that bad-- but he had stopped several freshmen from eating paste and paint and that had become his favorite joke about his classes recently.
And luckily for him; Kitty was one of the precious few who had yet to hear it.