Billy's eyes narrowed briefly, but he really didn't manage more than a sheepish look, scuffing his feet along the floor. "...Thirty-nine," he quipped with a smal twitch of his lips.
He looked to Kitty, and then to Fury, quite curious himself. He'd only done it once...by accident. Chances were most universes weren't so friendly...or even inhabitable. He cringed slightly as his thoughts drifted to what sort of horrible place Teddy might be trapped in.