Appearing in "The Final Threat"
Featured Characters:
- Avengers (Main story and recap)
Iron Man (Tony Stark) 
- Scarlet Witch (Wanda Frank) (Main story and recap)
- Vision (Main story and recap)
- Thor (Odinson) (Main story and recap)
- Captain America (Steve Rogers) (Main story and recap)
- Beast (Hank McCoy)
Supporting Characters:
- Adam Warlock (Main story and flashback) (Apparent death)
- Captain Marvel (Mar-Vell) (Main story and recap)
- Moondragon (Heather Douglas)
Antagonists:
- Thanos (Main story and flashback)
- Thanos-Thralls (Main story and flashback)
Other Characters:
- Gamora (Main story and flashback) (Apparent death)
- Four Winds (Mentioned)
- Eros (Recap)
- Mentor (A'Lars) (Recap)
- Death (Recap)
- Sui-San (Referenced) (Deceased)
- Mantis (Recap)
- Swordsman (Recap)
- Stranger (Only in flashback)
- Xiambor (Only in flashback)
- Gardener (Referenced)
- Magus (Recap)
- Pip the Troll (Apparent death)
- Peter Corbeau
- Sensia (Referenced)
- Yvette Douglas (Vision) (Deceased)
- Drax the Destroyer (Art Douglas) (Vision)
- Rick Jones (Vision)
- Devil (Invoked)
- God (Yahweh) (Invoked)
- Autolycus (Cameo; trapped in the soul gem)
- Kray-Tor (Cameo; trapped in the soul gem)
- Black Knights (Cameo; trapped in the soul gem)
Races and Species:
- Cosmic Beings (Main story and flashback)
- Zen-Whoberis
- Humans (Main story and recap)
- Synthezoids (Main story and recap)
- Asgardians (Main story and recap)
- Mutants
- Kree (Main story and recap)
- Eagles (Mentioned)
- Titanians (Main story and flashback)
- Eternals (Recap)
- Abstract Entities (Recap)
- Numerous unidentified alien species (Main story and flashback)
- Kodabaks (First appearance)
- Hujah
- Skrulls (Main story and flashback)
- Sagittarians (Main story and flashback)
- Gods (Referenced)
- Gigantians (Only in flashback)
- Laxidazians
- Olympians (Referenced)
- Sarks (Cameo)
- Judans (Cameo)
Locations:
- Prime Marvel Universe (Main story and flashback)
- Unidentified Galaxy
- Unnamed planetoid
- Milky Way (Main story and flashback)
- Solar System (Main story and flashback)
- Earth (Main story and flashback)
- United States
- Earth Orbit (Only in flashback)
- Moon (Only in flashback)
- Sun
- Saturn (Only in flashback)
- Titan (Only in flashback)
- Starcore
- Pluto (Mentioned)
- Earth (Main story and flashback)
- Labworld (Only in flashback)
- Solar System (Main story and flashback)
- Deneb (Only in flashback)
- Deneb-IV (Only in flashback)
- Unidentified prison planet (Only in flashback)
- Hell (Invoked)
- Hala, Pama, Kree Galaxy (Invoked)
- Olympus (Referenced)
- Asgard (Invoked)
- Unidentified Galaxy
Items:
- Iron Man Armor Model 4
- Captain America's Shield (Main story and recap)
- Mjolnir (Main story and recap)
- Captain Marvel's Suit and Nega-Bands (Main story and recap)
- Cosmic Cube (Recap)
- Swordsman's Sword (Recap)
- Soul Gems (Main story and flashback)
- Warlock's Green Gem (Main story and flashback)
- Stranger's Yellow Gem (Only in flashback)
- Gem from Prison Satellite (Only in flashback) (First appearance)
- Orange Gem from Deneb IV (Only in flashback)
- Xiambor's Gem (Only in flashback) (First appearance)
- Gardener's Red Gem (Only in flashback)
- Giant Synthetic Soul Gem (Only appearance)[1] (Destruction)
Vehicles:
- Sanctuary II (Main story and flashback)
- Sanctuary III (First appearance)
- Moondragon's space-cruiser
Synopsis for "The Final Threat"
Captain Marvel and Moondragon arrive at Avengers Mansion, closely followed by Adam Warlock, who reveals that Thanos has returned, gathered the energies of the six Soul Gems in a giant synthetic jewel, and plans to snuff out the stars themselves. The heroes rocket into space to stop Thanos' approaching armada. As they combat a horde of alien foes, Warlock finds his companion, Pip the Troll. The troll is alive, however, his mind has been destroyed by Thanos, and Warlock absorbs his spirit into his Soul Gem, just as he had earlier done with the dying Gamora.
Warlock and Captain Marvel then locate Thanos and the Captain is knocked unconscious as he smashes the villain's energy-projector. Warlock and Thanos clash, and the golden-skinned hero falls. Thor arrives to engage Thanos, while Iron Man destroys the villain's artificial soul gem. Foiled, the Titan vanishes. Nearby, an astonished Captain Marvel watches as a second Warlock appears from the past and absorbs the spirit of his dying present self. Warlock awakens to find himself reunited with his friends in a world of peace and happiness within the Soul Gem itself.
Notes
- Adam Warlock's death was shown first in Warlock #11.
- Thanos and Adam Warlock appear next in Marvel Two-In-One Annual #2.
