Well, that didn't take long at all. Having ran over at the sound of Billy's voice, Kitty came to an abrupt stop and gaped, immediately kicking herself in the head - metaphorically speaking - for thinking that it'd be perfectly fine to split off her team like that. Ugh, but she didn't have time to dwell on that right now, eyes jumping to their corners to regard the person (or people - what the hell, was that Wicked!?) responsible for Billy's predicament.
"Hey!" She called up to Antony, weapon aimed at him in defense. "Let him go!"