The sword didn't bother her until it was pointed at her, right now she was concerned as he limped towards her. She had some gauze in her purse, but not nearly enough. And she wasn't going to just let anyone into her apartment. She tried to think of where the nearest clinic or hospital was.
"It's New York City. 1964. People have been dropping in from their respective places in time and universe to ... collect here, I suppose. No-one can leave, and the only people entering are ... well, you. And others like you," Susan said. No need to gloss over the details and try to sugarcoat it, it was the truth and he'd learn it sooner than later. Sooner was always better, in her book.
"Now, your arm is hurt, your leg is hurt. Are you hurt anywhere else? I can take you to hospital, there's one about seven blocks from here." She paused, then added softly, kindly, "Where did you come from?"