Appearing in "The Spell of the Serpent!"
Featured Characters:
Supporting Characters:
- Empire of Atlantis
- Lady Dorma (Becomes under the influence of the serpent spell)
- Ikthon (Becomes under the influence of the serpent spell)
- Lord Vashti (Becomes under the influence of the serpent spell)
- Atlantean Army (Becomes under the influence of the serpent spell)
- Warlord Seth
- Several unnamed soldiers (Becomes under the influence of the Serpent Spell)
- Numerous unnamed Atlanteans (Becomes under the influence of the serpent spell)
Antagonists:
- Tiger Shark (Todd Arliss)
- Lethe-Beast (First appearance)
- Naga (First appearance) (Only in flashback)
Other Characters:
- Ancients (Mentioned)
- Destiny (Paul Destine) (Mentioned)
- Neptune (Invoked)
- Var-Tov (First appearance; vision or hallucination)
- Two unnamed Atlanteans (First appearance; vision or hallucination)
- Set (Behind the scenes)
- Questers (First appearance; unnamed)
- Karthon (First appearance; unnamed) (Shadow only)
Races and Species:
- Atlanteans
- Mutant Atlantean-Human Hybrids
- Lethe-Beast (First appearance)
- Fish
- Swordfish (Mentioned in narration or thoughts)
- Dolphins (Mentioned in narration or thoughts)
- Lemurians (First appearance; unnamed) (Main story and flashback)
Realities:
Locations:
- Earth
- Atlantic Ocean / Sea of Turbulence
- Atlantis
- Abyss of Doom (First appearance)
- Sargasso Sea (Invoked)
- Atlantis (Only in flashback)
- Pacific Ocean / Sea of Tranquility (Only in flashback)
- Lemuria (First appearance) (Only in flashback)
- Atlantic Ocean / Sea of Turbulence
Items:
- Helmet of the Ancients (First appearance as Helmet of the Ancients)
- Herb of Healing (Mentioned)
- Warpoon (First appearance)
- Neptune's Trident
Vehicles:
- Unidentified Atlantean Craft
- Atlantean Scout Craft
Synopsis for "The Spell of the Serpent!"
After bringing the Helmet of Power to Atlantis, Namor leaves with Lord Seth to find the Herb of Healing to help restore Tiger Shark to human form. Unfortunately, soon after he leaves, the Helmet of Power transforms into its true form, the Serpent Crown, and takes control of Dorma and the rest of the Atlanteans. Namor fails in his quest to help Tiger Shark and when he returns, is attacked by his own mind-controlled people. He takes the Crown from Dorma and puts it on. He gets visions of the early origins of his people.
Appearing in "Never Bother a Barracuda!"
Featured Characters:
Antagonists:
- Questers (Name revealed)
- Karthon the Quester (First full appearance) (Name revealed)
- Captain Barracuda's Crew
- Captain Barracuda
- Mr. Starkey (First appearance)
- Several unnamed crewmembers
Other Characters:
- Proteus (Invoked)
- Attuma's Barbarian Horde (Mentioned)
- Attuma (Mentioned)
- Kingdom of Lemuria (Main story and flashback)
- Numerous unnamed Lemurians (Only in flashback)
- Lemurian Guards (Only in flashback)
- Ontarr (First appearance) (Only in flashback)
- Several unnamed guards (Only in flashback)
- Lemurian Royal Alchemists (Only in flashback)
- Two unnamed alchemists (Only in flashback) (First appearance; dies)
- Naga (Only in flashback)
- Ancients (First appearance) (Only in flashback)
- United States Air Force
- Unnamed Pilot (First appearance; dies)
- Captain Kidd (Mentioned in narration or thoughts)
- United States Navy
- Unnamed Officer
- Smith (First appearance)
- Jules Verne (Mentioned)
- United States Coast Guard (Mentioned)
- Devil (Mentioned)
Races and Species:
- Mutant Atlantean-Human Hybrids
- Lemurians (Main story and flashback) (Name revealed)
- Whales (Mentioned in narration or thoughts)
- Eels (Only in flashback)
- Fish (Main story and flashback)
- Sharks (Mentioned)
- Humans
Realities:
- Earth-616 (Main story and flashback)
Locations:
- Earth (Main story and flashback)
- Atlantic Ocean
- Pacific Ocean (Main story and flashback)
- Lemuria (First appearance) (Only in flashback)
- Naga's Palace (First appearance) (Only in flashback)
- Lemuria (First appearance) (Only in flashback)
- Southern Ocean (Only in flashback)
- Antarctica (Only in flashback)
- North America
Items:
- Helmet of the Ancients (Main story and flashback)
- Horn of Proteus (Invoked)
- Inertia Cannon (First appearance)
- Atomic Activator
Vehicles:
- Captain Barracuda's Submarine (First appearance)
- United States Air Force Bomber (5092) (First appearance; destruction)
Synopsis for "Never Bother a Barracuda!"
Karthon the Questor battles Namor for the crown and is defeated. He reveals to Namor the history of the Serpent Crown and of the mad tyrant Naga. Unfortunately, Captain Barracuda captures them both on his way to steal an atomic weapon. Namor frees himself but must decide whether to pursue Karthon who has fled with the Serpent Crown or to stop Captain Barracuda's atomic torpedo!
Appearing in "The Choice and the Challenge!"
Featured Characters:
Supporting Characters:
Antagonists:
- Captain Barracuda's Crew
- Captain Barracuda (Apparent death)
- Mr. Starkey (Apparent death)
- Three unnamed members (Apparent death)
Other Characters:
- Karthon the Quester (Mentioned)
- United States Navy
- Unnamed Captain
- Sam (First appearance)
- Numerous unnamed navy personnel
- David (Mentioned)
- Hulk (Bruce Banner) (Mentioned)
- Proteus (Invoked)
Races and Species:
Realities:
Locations:
- Earth
- Atlantic Ocean
- Sargasso Sea (Invoked)
- Atlantis
- North America
- United States of America
- Florida
- Unidentified United States Navy Look-Out Station
- Florida
- United States of America
- Atlantic Ocean
Items:
- Helmet of the Ancients (Mentioned)
- Atomic Torpedo (Mentioned)
- Sonic Magno-Directoid (First appearance)
Vehicles:
- Captain Barracuda's Submarine (Destroyed)
- United States Navy Destroyer (422)
- United States Navy Submarine
Synopsis for "The Choice and the Challenge!"
Namor stops Captain Barracuda's torpedo but the Navy attacks him as they believe him responsible for the attack. Captain Barracuda slips into the Naval base, under the confusion of the battle and steals the "Sonic Magno-Directoid". Captain Barracuda makes the mistake of activating it and a torpedo meant for Namor destroys Barracuda and his vessel.