Chapter 1 - The Pulse

Mission 1

• Viper - Boss

Mission 2

• Whiplash - Boss

Mission 3

• Power Armor - Mini-Boss
• Baron Zemo - Boss

Mission 4

• Wrecker - Mini-Boss
• M.O.D.O.K. - Boss

Mission 5

• Destroyer - Mini-Boss
• Loki - Boss

Premium Mission

• Ironclad - Mini-Boss
• Power Armor - Mini-Boss
• Abomination - Boss

Chapter 2 - The Iso Effect

Mission 1

• Sandman - Mini-Boss
• Hammerhead - Boss

Mission 2

• Crimson Dynamo - Mini-Boss
• Vulture - Boss

Mission 3

• Hand Ninja - Mini-Boss
• Bullseye - Boss
• Elektra - Epic Boss

Mission 4

• Jack O'Lantern - Mini-Boss
• The Hood - Boss

Mission 5

• Juggernaut - Mini-Boss
• Mystique - Mini-Boss
• Magneto - Boss

Premium Mission

• Sentinel Alpha MK IV - Mini-Boss
• Nimrod Series MK IV - Mini-Boss
• Crimson Dynamo - Boss

Chapter 3 - Enter Doom

Mission 1

• Vapor - Mini-Boss
• Whiplash - Boss

Mission 2

• Boomerang - Mini-Boss
• Hydro-Man - Boss

Mission 3

• Bulldozer - Mini-Boss
• Fixer - Boss

Mission 4

• Toad - Mini-Boss
• Sabretooth - Boss

Mission 5

• Vulture - Mini-Boss
• Sandman - Mini-Boss
• Green Goblin - Boss
• Dr. Doom - Epic Boss

Premium Mission

• Madame Masque - Mini-Boss
• Hammerhead - Mini-Boss
• Doctor Octopus - Boss

Chapter 4 - You, Foe

Mission 1

• Abomination - Mini-Boss
• Ironclad - Boss

Mission 2

• Nitro - Mini-Boss
• Vector - Boss

Mission 3

• Hydro-Man - Mini-Boss
• X-Ray - Boss

Mission 4

• Fixer - Mini-Boss
• Vapor - Boss
• Magneto - Epic Boss

Mission 5

• Madame Masque - Mini-Boss
• Crimson Cowl - Mini-Boss
• Dr. Doom - Boss

Premium Mission

• Toad, Blob - Mini-Boss
• Sabretooth - Boss

Chapter 5 - Gods & Monsters

Mission 1

• Piledriver - Mini-Boss
• Executioner - Boss

Mission 2

• Boomerang - Mini-Boss
• Grey Gargoyle - Boss

Mission 3

• Piledriver - Mini-Boss
• Bulldozer - Mini-Boss
• Wrecker, Thunderball - Boss
• Loki - Epic Boss

Mission 4

• Executioner - Mini-Boss
• Enchantress - Boss

Mission 5

• Destroyer, Wrecker - Mini-Boss
• Loki - Boss

Premium Mission

• Bowman, Hammer - Mini-Boss
• Militant, Tactical Force - Boss

Chapter 6 - Uprising

Mission 1

• Boomerang - Mini-Boss
• Madame Masque - Boss

Mission 2

• Sabretooth - Mini-Boss
• Toad - Boss

Mission 3

• Crimson Dynamo - Mini-Boss
• Crimson Cowl - Boss
• Doctor Octopus - Epic Boss

Mission 4

• M-Series Rho MK III, M-Series Sigm MK III, M-Series Tau MK III - Mini-Boss
• Mystique - Boss

Mission 5

• Jack O'Lantern - Mini-Boss
• Bullseye - Mini-Boss
• Elektra - Boss

Premium Mission

• Avalanche - Mini-Boss
• Constrictor - Mini-Boss
• Juggernaut - Boss

Chapter 7 - MIA

Mission 1

• Thunderball - Mini-Boss
• Moonstone - Boss

Mission 2

• Blob - Mini-Boss
• Avalanche - Boss

Mission 3

• Vector - Mini-Boss
• Jack O'Lantern - Boss
• Green Goblin - Epic Boss

Mission 4

• Executioner - Mini-Boss
• Destroyer - Boss

Mission 5

• Nitro - Mini-Boss
• Vulture - Mini-Boss
• Dormammu - Boss

Premium Mission

• Vapor, Ironclad - Mini-Boss
• Vector, X-Ray - Boss