(W) Robert Rodi (A) Amanda Conner (CA) Tomas Giorello. Written by Robert Rodi; ART by Amanda Conner and Jimmy Palmiotti; COVER by Tomas Giorello In stores January 30. "Enigma Variations." She's back - the uncanny Una Enigma! Angela and Go-Go trail the mysterious super-spy to Greece, in an effort to discover who - or what - she really is. But an explosive turn of events on the island of Paros just might make the whole question academic. MATURE READERS. FC, 32 pg