- Script
- Gerry Conway (credited); Allyn Brodsky (credited) (plot)
- Pencils
- Gene Colan (credited)
- Inks
- Syd Shores (credited)
- Colors
- Mimi Gold ?
- Letters
- Sam Rosen (credited)
- Job Number
- 460 Z
- First Line of Dialogue or Text
- Strain, Fury! Feel the twisted pull of loyalties tearing out your gut!
- Feature Logo
- Genre
- superhero
- Characters
- Daredevil [Matt Murdock]; Iron Man [Tony Stark]; Madame Masque [Whitney Frost]; Nick Fury; Kevin O'Brien; Zodiac [Aquarius [Darren Bentley]; Capricorn [Willard Weir]; Saggitarius [Harlan Vargas] Aries (cameo, flashback)]; Spymaster; Brotherhood of the Ankh [Lawholder] (introduction); Captain America [Steve Rogers] (cameo, flashback); Thor (cameo, flashback)
- Synopsis
- The Scorpio Key transports our cast of heroes and villains to another dimension, where the Brotherhood of the Ankh forces them to battle to replenish the power of the key.
- Reprints
- in Diabólico (Editora de Periódicos, S. C. L. "La Prensa", 1966 series) #73 (31 de julio de 1972)
- in Strange (Editions Lug, 1970 series) #33 (5 septembre 1972)
- in Rampage (Marvel UK, 1977 series) #17 (February 8, 1978), #18 (February 15, 1978), #19 (February 22, 1978) [Pages 14-20 plus new splash]
- in Diabolico (Novedades, 1981 series) #73 (25 de junio de 1982)
- in Essential Daredevil (Marvel, 2002 series) #3 (2005) [black and white]
- in Essential Iron Man (Marvel, 2000 series) #3 ([April] 2008) [black and white]
- in Daredevil Epic Collection (Marvel, 2014 series) #4 - A Woman Called Widow (2019)
- in Iron Man Epic Collection (Marvel, 2013 series) #4 - The Fury of the Firebrand (2020)
Continued from Iron Man (Marvel, 1968 series) #35; Continued in Iron Man (Marvel, 1968 series) #36.
- Script
- Roy Thomas ?
- Pencils
- Gene Colan (illustrations)
- Inks
- Syd Shores (illustrations)
- Colors
- ?
- Letters
- typeset
- First Line of Dialogue or Text
- Dear Stan, Roy and Gene, I was very much impressed by DAREDEVIL #69.
- Feature Logo
Letters of Comment from Evan P. Katten, William James, Craig A. Thiessen, David Handy, and Alan Kupperberg.