Most importantly, Dr. Tachyon returned and opened the Blythe Van Rensselaer Memorial Clinic, usually known as just the Jokertown Clinic, to treat the various, often exotic, medical needs of the poverty-stricken Jokers.
Data and characters are drawn from Wild Cards volumes I-V, including a history of the Wild Cards world, the Wild Card virus, over 50 super-characters, variant historical characters (e.g., Castro, Churchill, Gandhi, Franco, et al.), a description of Jokertown, the major Wild Card organizations, and the various aliens (the Takisians, the Swam, the Network group).