- Script
- Mark Askwith
- Letters
- typeset
"Foreword" misspelled.
- Script
- Gilbert Hernandez (credited) (plot, dialogue); Mario Hernandez (credited) (plot)
- Pencils
- Gilbert Hernandez (credited) (layouts); Jaime Hernandez (credited)
- Inks
- Jaime Hernandez (credited)
- Colors
- Paul Rivoche (credited)
- Letters
- Paul Rivoche (credited)
- Genre
- adventure; science fiction; fantasy-supernatural
- Characters
- Mister X; Arnold Zamora; Patrice; René; Canelo; Mercedes; Consuelo; Belinda; Luba; Henry; Louise
- Reprints
Credit breakdown from description in AMAZING HEROES #48 (Redbeard Inc., June 1984).
- Script
- Gilbert Hernandez (credited) (plot, dialogue); Mario Hernandez (credited) (plot)
- Pencils
- Gilbert Hernandez (credited) (layouts); Jaime Hernandez (credited)
- Inks
- Jaime Hernandez (credited)
- Colors
- Klaus Schoenefeld (credited)
- Letters
- Paul Rivoche (credited)
- Genre
- adventure; science fiction; fantasy-supernatural
- Characters
- Mister X; Arnold Zamora; Patrice; Mercedes; Canelo; René (dies); Perkins; Katsuda; Henry; Louise
- Reprints
Credit breakdown from description in AMAZING HEROES #48 (Redbeard Inc., June 1984).
- Script
- Gilbert Hernandez (credited) (plot, dialogue); Mario Hernandez (credited) (plot)
- Pencils
- Gilbert Hernandez (credited) (layouts); Jaime Hernandez (credited)
- Inks
- Jaime Hernandez (credited)
- Colors
- Klaus Schoenefeld (credited)
- Letters
- Ty Templeton (credited)
- 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
Credit breakdown from description in AMAZING HEROES #48 (Redbeard Inc., June 1984).
- Script
- Gilbert Hernandez (credited) (plot, dialogue); Mario Hernandez (credited) (plot)
- Pencils
- Gilbert Hernandez (credited) (layouts); Jaime Hernandez (credited)
- Inks
- Jaime Hernandez (credited)
- Colors
- Klaus Schoenefeld (credited)
- Letters
- Ty Templeton (credited)
- Genre
- adventure; science fiction; fantasy-supernatural
- Characters
- Mister X; Mercedes; Consuelo; Katsuda; Reinhardt (dies)
- Reprints
Credit breakdown from description in AMAZING HEROES #48 (Redbeard Inc., June 1984).