Loki merely tuts his tongue. He and Hela had always been too similar, he felt, to truly get along. And she hadn't really helped his feelings toward her when she blew up all those years ago, and recent events in his life had only enhanced all the traits she probably disliked so much in him. He certainly wasn't phased by her causing a scene.
"I had only assumed that given your resourcefulness, you would know everything you wanted about the family, regardless of your status. Sit down, I haven't done anything to upset you so. I haven't really even had time to try, have I?" He raised his eyebrows.
As for Thor ... Well. Thor always had a knack for showing up Loki at the most inconvenient of times.