Much of the buzz surrounding the forthcoming "Star Trek Into Darkness" has centered on the new villain John Harrison (Benedict Cumberbatch), a mysterious man who may have ties to familiar menaces from installments past. Which makes one realize that a "Star Trek" movie is often only as good as its antagonist. Threats to the U.S.S. Enterprise have come in many forms, including human, alien, Vulcan, Klingon, Romulan, robot, and supercomputer.

Conventional wisdom has it that the even-numbered movies in the franchise are better than the odd-numbered pictures, and the quality of villains often reflects that but not always. Here, then, is a ranking of "Star Trek" movie villains, from worst to trek villains