Fusion #4 was published by Eclipse on July 1, 1987, as part of a series that began in 1987. Cat Yronwode and Ken Macklin write, and art comes from Lela Dowling and Steven A. Gallacci. This 36-page issue features Tan, Dr. Watchstop, Captain Indio Tremaine, Dow Cook and Haven, among 7 characters cataloged on VerseDB.