[Thor is quiet for a minute-- allowing Tony to listen to those messages, himself, second-hand-- and frowns thoughtfully.]

The Lady Sigyn, I believe, speaks out of loyalty to myself. We vowed to aid each other and support each other, and she may view this as part of that vow. I do not know this Fa Mulan. Her reasons are unknown to me.

[Though she reminds him a lot of one of his dear friends. That does earn her a plus, in his book.]