Avengers Emergency Assemble, man Down! 
- —Black Widow (Natasha Romanoff)
Appearances
Featured Characters:
- The Avengers
- Iron Man (Tony Stark)
- Falcon (Sam Wilson)
- Thor
- The Hulk (Bruce Banner)
- Hawkeye (Clint Barton)
- Captain America (Steve Rogers)
- Black Widow (Natasha Romanoff)
Supporting Characters:
- J.A.R.V.I.S.
Villains:
- Attuma
- Zartra (First appearance)
- Giganto (First appearance)
- Hydra
Other Characters:
- Atlanteans
- Wrecking Crew (Mentioned)
- Piledriver (As hologram)
- Arsenal
- Doctor Doom (Mentioned)
- Destroyer (Enchanted Armor) (Mentioned)
- Galactus (Mentioned)
Locations:
- Earth-TRN123
- United States of America
- Atlantis
Items:
- Serpent Crown
- Iron Man Armor Mark 49
- Falcon Armor
- Mjolnir
- Hawkeye's Bow
- Captain America's Shield
- Trick Arrows
- Black Widow's Gauntlets
Vehicles:
Synopsis
When Hawkeye and Black Widow stumble upon the Serpent Crown, they must work together with the Atlanteans led by Attuma's former adviser Lady Zartra to stop Attuma's battalion from destroying Atlantis and controlling the Atlantean beast Giganto.