Niamh smiled right back at him. "Brilliant," she told him with a nod. "Very brilliant."

Her smile was a little less insufferable, if only because she had to consciously think about keeping control of herself. When a six year old told someone that his teacher could turn invisible like Sue Storm no one believed him.

Tony Stark was not a six year old. She wouldn't be able to get out of it that easily.

Still, Niamh was pleased, even if it took some effort on her part. "You should probably keep hypothesizing though."