Uberfic

Uberfic (short for Uber fanfic, UberXena, or simply Uber or Über) is a kind of alternative universe fan fiction in which characters or events are portrayed somewhat closely to original canon but usually in a different time period, many times featuring the ancestors, descendants or reincarnations of canon characters. The term was coined by Kym Masera Taborn of Whoosh.org. Some consider the first uberfic in the XWP fandom to be the X-files crossover Warrior's Heart by Darkone that first appeared in February 1997, but there is controversary about this. A popular example of the genre are the characters Dar and Kerry that were first seen in Tropical Storm.

The term seems to be slowly spreading to other fandoms, particularly Harry Potter.