Sub-Mariner Vol 1 #68 January, 1974 Editor-in-Chief Len Wein Cover Artists John Romita "On the Brink of Madness!" Writers Steve Gerber Pencilers Don Heck Inkers Jim Mooney Colourists George Roussos Letterers Artie Simek Editors Roy Thomas Previous Issue Next Issue Sub-Mariner #67 Sub-Mariner #69

Appearing in "On the Brink of Madness!"Edit

Featured Characters:

• Sub-Mariner

Supporting Characters:

• Tamara
• Namorita
• Father Neptune (Illusion)

Antagonists:

• Force (First appearance as Carl Walker/Force)

Other Characters:

• Professor Henry Croft (First appearance)
• Dr. Joseph Jennings (First appearance)
• Fantastic Four (Only in flashback)
  • Reed Richards (Only in flashback)
  • Thing (Only in flashback)
  • Human Torch (Only in flashback)
  • Medusa (Only in flashback)
• The Four
  •  Ariel 
  •  Ibbar 
  •  Kabal 
• Dr. Strange (Illusion)
• Damon Walthers (Mentioned)
•  Spider-Man  (Cameo)

Races and Species:

• Humans
• Atlanteans
• Zephyreans

Locations:

• Atlantis (Destroyed)
• Grotto of the Ancients
• Hydrobase
• Zephyrland

Items:

• Neptune's Trident (Actually Neptune's)
• Force Armor (First appearance)
• New York City
  • Baxter Building
  • Empire State University

Vehicles:

Synopsis for "On the Brink of Madness!"Edit

Namor returns to his underworld realm to find it devastated in the wake of the nerve gas contamination. Fortunately, his subjects are just in a comatose state and amphibian scientists are eager to help them. Namor takes the scientists to Dr. Hydro's island base and then seeks out Dr. Walthers who has been working on a force field device that can protect Atlantis from any other nerve gas contamination. However, the costumed villain Force stands in his way. Namor drives him off and continues his search for Dr. Walthers.

Notes

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Trivia

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Recommended ReadingEdit

• None.

Links and ReferencesEdit

• None.

Footnotes