Different worlds? Be passengers on a train? This was like several shades of being back on File Island, except with a whole train and not just a single car.

"Ken and Wormmon are here... and no one else..." he said, rolling it over in his mind. Then, his eyes narrowed, and he asked, "Who? Who brought us here? Not Gennai, or the Clockmon guy, if no one else from our worlds are here..."