Complete each achievement to receive the allotted gamerscore.
| Unlockable: | How to unlock: |
| Mission Accomplished (5) | Topple a dictator. |
| Coalition of the Willing (20) | Crash a castle. |
| Oceans No Longer Protect Us (20) | Protect a city. |
| A House Divided (20) | Defend your leaders. |
| If You're Not With Us (10) | Choose a side. |
| Freedom Isn't Free (20) | Raid a hideout. |
| Defending Our Way of Life (20) | Rescue a hideout. |
| All Options on the Table (20) | Defend a convoy. |
| Collateral Damage (20) | Stop a convoy. |
| Fallen Star (20) | Ambush your opponents. |
| Iron and Blood (20) | Fight back an ambush. |
| Knowns and Unknowns (10) | Repay a favor. |
| Alliance Reborn (20) | Break and enter. |
| Grave and Growing (20) | Free a country. |
| A More Perfect Union (10) | Finish what you started. |
| I'm With Iron Man (30) | Defeat all Act II and III missions as a Pro-Registration team. |
| I'm With Captain America (30) | Defeat all Act II and III missions as an Anti-Registration team. |
| Legendary Schism (20) | Defeat all Act I missions on Legendary Difficulty. |
| Legendary War (30) | Defeat all Act II missions on Legendary Difficulty. |
| Legendary Alliance (30) | Defeat all Act III missions on Legendary Difficulty. |
| Rookie Squad (10) | Complete a map in Co-Op. |
| Experienced Allies (15) | Complete 8 maps in Co-Op. |
| Decorated Veterans (30) | Complete 24 maps in Co-Op. |
| Seek and Destroy (15) | Complete all optional mission objectives. |
| Uncontained Aggression (15) | You or other players on your team must destroy 250 health containers. |
| Undefeated Heroes (30) | Defeat 12 mission bosses on Super Heroic or Legendary Difficulty without revival or map reload. |
| Immortal Heroics (50) | Defeat 25 maps on Super Heroic or Legendary Difficulty without revival or map reload. |
| Back in Action (10) | Perform 10 revivals. |
| Tactical Training (10) | Perform all 5 recommended training Fusions in Latveria. |
| Heroes Unite (10) | Perform 10 Fusions with another player-controlled hero in a Co-Op game. |
| United We Stand (30) | Earn 20 high scores for each type of Fusion: Targeted, Guided, and Clearing. |
| Powers of Two (50) | Perform all Fusions by combining every available pairing of 24 heroes. |
| Old Friends (10) | Have 10 special conversations between characters with a history while in an HQ map. |
| Costume Collector (10) | Unlock 23 alternate costumes. |
| Distinguished Service (10) | Collect 50 Team Boosts. |
| Extraordinary Heroism (30) | Collect 125 Team Boosts. |
| Above and Beyond (50) | Collect 200 Team Boosts. |
| Listening In (20) | Collect 30 Audio Logs. |
| Superior Intel (20) | Collect 125 Dossiers. |
| Potential Evidence (10) | Collect 10 Concept Art Bundles in HQ maps. |
| Trivia Buff (10) | Correctly answer 15 Trivia questions. |
| Trivia Team-Up (15) | Score 30 Trivia Fusions. |
| Trivia Genius (30) | Earn all Trivia rewards. |
| Sim Team-Up (5) | Earn Mission Succeeded on a Simulator Mission in Co-Op and return to the Simulator menu. |
| Sim Amateur (10) | Earn 4 Bronze Medals from Simulator Missions. |
| Sim Expert (15) | Earn 8 Silver Medals from Simulator Missions. |
| Sim Champion (30) | Earn 12 Gold Medals from Simulator Missions. |
| Melee Training (10) | Complete all melee training goals listed on the Stats page. |
| Power Training (15) | Complete all Power training goals listed on the Stats page. |
| Every Trick in the Book (30) | Complete all combat mastery goals listed on the Stats page. |
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