The Doctor Strange annuals. It lasted for 4 issues, with a gap of 16 years between the first and the second annual.
Collected EditionsDoctor Strange: What Is It That Disturbs You, Stephen? (#1)Doctor Strange Epic Collection: Alone Against Eternity (#2)Doctor Strange, Sorcerer Supreme Omnibus Volume 2 (#2-3)Note: The first annual was an annual to the first ongoing Doctor Strange series, while annual's 2, 3 and 4 are annuals to the Doctor Strange: Sorcerer Supreme series. It is however counted as one collective series, as there is no Doctor Strange: Sorcerer Supreme Annual number 1.
