- Script
- Gilbert Hernandez (plot, dialogue); Mario Hernandez (plot)
- Pencils
- Gilbert Hernandez (layouts); Jaime Hernandez
- Inks
- Jaime Hernandez
- Colors
- Klaus Schoenefeld
- Letters
- Ty Templeton
- Genre
- adventure; science fiction; fantasy-supernatural
- Characters
- Mercedes; Mister X (also in flashback as Walter Eichmann); Patrice; Katsuda (also in flashback); Consuelo (also in flashback); Simon Myers (flashback)
- Reprints
Part 3 of 6; title taken from last page of previous issue. Credit breakdown from description in AMAZING HEROES #48 (Redbeard Inc., June 1984). Klaus Schoenefeld's name was misspelled as Schonefeld in the credits.