Comic Title: Challengers of the Unknown #84
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: Dec/Jan 1977
On Sale Date: September 20, 1977 Newsstand Date September 20, 1977
Source: House Ad, Challengers of the Unknown #83, Page 29

Newsstand Date September 20, 1977
Source: DC Coming Attractions, #10

Newsstand Date September 20, 1977
Source: Comic Reader, #148

Copyright Date September 20, 1977
Source: Library of Congress, Periodicals 1977

Newsstand Date September 19, 1977
Source: Daily Planet, Vol. 77 #37
Listed as on sale the week of September 19th

Shipping Date August 30, 1977
Source: DC Coming Attractions, #10

Frequency: Bi-monthly
Cover Price: $0.35
Page Count: 32
Editor: Jack C. Harris

Title: "To Save a Monster"
Pages: 17

Feature(s):
Challengers of the Unknown (of Earth-1)

Writer: Gerry Conway
Penciller: Keith Giffen
Inker: John Celardo
Colorist: Jerry Serpe

Reprinted In:
Swamp Thing:The Bronze Age Vol. 2 TPB (2020)
Deadman Omnibus HC (2021)

Feature Character(s)

• Challengers of the Unknown (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)
• Ace Morgan (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)
• Red Ryan (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)
• Rocky Davis (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)
• Prof. Haley (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)

Guest Star(s)

• Swamp Thing (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)
• Deadman (last appearance in Superman Family #183; next appearance in DC Super-Stars #18)

Supporting Character(s)

• June Robbins (last appearance in Challengers of the Unknown #83; next appearance in Challengers of the Unknown #85)
• F. Gaylord Clayburn III (name mistakenly given as Dustin Clayburne in this story; last appearance in Challengers of the Unknown #83; no further appearances)

Villain(s)

• Multi-Man (last appearance in Challengers of the Unknown #81; next appearance in Wonder Woman #257)

Guest Appearance(s)

• Rama Kushna (last appearance in Brave & the Bold #104; next appearance in DC Super-Stars #18)

Comments:
Chapter 2: "When Dead Men Walk"

This story is continued in part from Challengers of the Unknown #83.

Synopsis:
Following the battle with M'Nagalah in the town of Perdition, the Challengers rush to get Prof. back to Challengers Mountain for treatment. Deadman who arrived on the scene after the battle follows them. The Challs are unable to help Prof, but Deadman is able to save his life by possessing him. While Prof recovers, the team investigates the disappearance of Alec Holland and learn that he is Swamp Thing.

The Challengers return to Perdition to find Holland. Deadman picks up the trail which leads to Philadelphia. He then takes possession of Ace in order to bring the Challs to the scene. Swamp Thing has also been possessed by the mind of Multi-Man. The Challs battle the swamp monster, but they are beaten. Deadman intervenes again by severing the link between Multi-Man and Swamp Thing. The Challs old foe is left brain damaged, while Swamp Thing returns with the team to Challengers Mountain.