She saw what he was doing, trying to make her feel better and it did make her smile. Clearly in whatever time or place he had known her they had been friends or at least allies, so she decided to trust him for now. Hopefully they could become friends again; she could use all the friends she could get in this place. "Thank you, Peter" she answered, her smile never lessening as she looked into eyes.
It did droop slightly when he said that he hadn't seen her brother, but when he said that he thought there were other mutants and X-Men here it did return slightly. "Perhaps I could find them. It's just nice to have other people with powers around.....humans, tend to not understand once you've told them the truth". She didn't hate humans or anything, but she had always found it harder to confide in them about anything to do with her powers, because they just didn't understand.