An X-men... but which one?

Peter had helped out the X-men during a battle earlier, which had brought him the attention of Emma Frost when he infected her with his newest friend. But she wasn't the only X-men at the battle who had contact with Peter.

It had been a rather hard battle and many of the X-men had shown up. Including many of the female members. From those who had been there since the beginning, like Jean "Phoenix" Grey to newer members like Jubliee to those who were both like Sage (Xavier's spy).

Many of the men and women of the Atom had been given a symbiot, but which one was the first to follow Emma's lead and find Spider-man?