so they were sent on wild goose chase. turned out the stumbled upon an order of the dragon research facility and destroyed it with help from Frankenstein!
In the fight with the giant robot the werewolf pc was washed away in a flood in the sewer. he got ambushed and enslaved to a subterranean gladitorial ring!
another pc and frankenstein journeyed to the secret city under new york to find him.
the gladiator ring is run by an evil little kid! his power source is bizarre necromantic machine.