Featured Characters:

• Iron Man (Tony Stark) (Final appearance)
• Captain America / Captain Hydra / Iron Patriot (Steve Rogers) (Final appearance)

Supporting Characters:

• J.A.R.V.I.S. (Final appearance)

Antagonists:

• Hydra (Final appearance)
  • Red Skull (Johann Shmidt) (Final appearance)
  • Dr. Cruller (Final appearance)
  • Dr. Fump (Final appearance)
• Taskmaster / Iron Master (Tony Masters) (First appearance)

Other Characters:

• Avengers (First appearance)
  • Hulk (Bruce Banner) (Final appearance)
  • Hawkeye (Clint Barton) (First appearance)
  • Black Widow (Natasha Romanoff) (First appearance)
  • Falcon (Sam Wilson) (First appearance)
  • Thor (First appearance)
• S.H.I.E.L.D. (First appearance)
• Iron Fist (Mentioned)
• Wrecking Crew (Mentioned)

Races and Species:

Locations:

• Earth-TRN607 (Final appearance)
  • Earth (Final appearance)
    • United States of America (Final appearance)
      • Stark Industries (Final appearance)
      • Hydra Base (Final appearance)

Items:

• Captain America's Shield (Final appearance)
• Iron Man Mark VII Armor (Final appearance)
• Super-Soldier Serum (First appearance)
• Iron Patriot Armor Model 2 (First appearance)
• Stealth Armor MK I (First appearance)
• Dreadnought (First appearance)
• Arc Reactor (Final appearance)
• Falcon Armor (First appearance)
• Mjolnir (First appearance)
• Hawkeye's Bow (First appearance)
• Trick Arrows (First appearance)
• Black Widow's Gauntlets (First appearance)

Vehicles:

• S.H.I.E.L.D. Helicarrier (First appearance)

• Adrian Pasdar as Iron Man / Tony Stark
• Roger Craig Smith as Captain America / Steve Rogers
• Clancy Brown as Taskmaster / Tony Masters
• Dee Bradley Baker as Doctor Cruller
• Robin Atkin Downes as Doctor Fump
• David Kaye as J.A.R.V.I.S.
• Liam O'Brien as Red Skull
• Fred Tatasciore as the Hulk

Videos[]

Iron Man and Captain America Heroes United trailer by conejotonto

Iron Man and Captain America Heroes United trailer

Marvel's Iron Man & Captain America Heroes United - Clip 1

Marvel's Iron Man & Captain America Heroes United - Clip 1

• In one point, the theme "Hydra Train" from Captain America: The First Avenger (2011) can clearly be heard.