Get her something to wear

"Well you can't walk around like that." You tell her.

"Obviously, that's why I was going to pick up my costume." She says, petulantly.

"That's your Hawkeye costume, you need a costume for being my sidekick. Do you keep any clothes here?" You ask her.

"Yeah, I keep some gym stuff here and things for emergencies or if I need to change on a mission and here is closer than home. I have a couple changes of underwear, a bikini, a cocktail dress and a t-shirt and some jeans." She tells you.