He feels so wanton around Benjamin that he doesn't even notice that there are other people in the room. He would have, though. This is Kevin's weakness and he fucked a bunch of Superheroes with Lucifer and Jason. He sure as hell would have noticed that Deadpool or other Captain America he saw.

However, the only person that he is focused on is the man that makes him feel perfect and that's Benjamin. So there's no doubt that he reaches back to spread his cheeks wider for his love. "I love you, Ben."