Her eyes light up when he says "hero". It's one of her positive triggers.

"Well we're lucky to have you here sir! I've worked with a number of heroes and so even retired your wisdom and experience can help us achieve more!" Of course most the "retired" heroes she knows go back to fighting the good fight without much prompting.

"What kind of hero?" While her world had all manner of heroic types, the traditional "Super hero" still tended to be a comic book ideal.