From that tone, it sounded like she couldn't imagine why it wouldn't be. Tony had to deliberately clamp his teeth down on his licorice because it seemed like Nick had already run out of patience with her and every inch of him wanted to exacerbate the situation by asking if the rest of her hair was colour blocked, too. His lingering stare at Nick and slow chew would have to be enough for Nick to infer just how much Tony was restraining himself.
Still chewing, his fingers dancing over Nick's shoulder as he spoke, Tony prompted, "And you have something to do with the Avengers." If this was a story, she must not have thought the details through if she meant to gain trust. Earth hadn't yet recovered enough from the invasion to be enthusaistic about cosmic relations.