Full list of all 58 Marvel: Ultimate Alliance 2 achievements worth 1,250 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 8 achievements worth 250 Gamerscore.
Defeated 25 maps on Super Heroic or Legendary Difficulty without revival or map reload.
Collected 200 Team Boosts.
Completed all combat mastery goals.
Earned 12 Gold Medals from Simulator Missions.
Performed all Fusions by combining every available pairing of 24 heroes.
Earned all Trivia rewards.
Defeated all Act II and III missions as a Pro-Registration team.
Defeated all Act III missions on Legendary Difficulty.
Defeated 12 mission bosses on Super Heroic or Legendary Difficulty without revival or map reload.
Defeated all Act II missions on Legendary Difficulty.
Defeated Captain America.
Collected 125 Team Boosts
Protected the prison convoy from an ambush.
Captured the unregistered heroes in Jersey City.
Unlocked 23 alternate costumes.
Defeated all Act I missions on Legendary Difficulty.
Completed 24 maps in Co-Op
Scored 30 Trivia Fusions.
Completed 8 maps in Co-Op
Completed a map in Co-Op
Earned Mission Succeeded on a Simulator Mission in Co-Op.
Performed 10 Fusions with another player-controlled hero in a Co-Op game.
Completed all optional mission objectives.
Collected 30 Audio Logs.
Earned 20 high scores for each type of Fusion: Targeted, Guided, and Clearing.
Defeated all Act II and III missions as an Anti-Registration team.
Sent the shutdown signal.
Had 10 special conversations between characters with a history while in an HQ map.
Collected 10 Concept Art Bundles in HQ maps.
Collected 125 Dossiers.
Broke the siege of Wakanda.
Earned 8 Silver Medals from Simulator Missions.
Escaped Prison 42 with the goods.
Collected 50 Team Boosts.
Completed all Power training goals.
Agreed to help Fury.
Defeated Iron Man.
Performed 10 revivals.
Rescued captured heroes from the convoy.
Defended Cable's base from invasion.
Chose a side in Civil War.
Defeated Titanium Man.
Earned 4 Bronze Medals from Simulator Missions.
Defeated cyborg Von Bardas.
Completed all melee training goals.
Correctly answered 15 Trivia questions.
Destroyed Castle Doom.
You or other players on your team have destroyed 250 health containers.
Performed all 5 recommended training Fusions in Latveria.
Destroyed Doom's Statue.
Threw all the proximity mines in "Balance."
Defeated 75 foes in "Balance."
Completed "Escort Duty" without disabling any floor hazards.
Completed "Escort Duty" without destroying any turrets.
Completed "Insidious Alliance" with all four heroes alive.
Progressed through "Insidious Alliance" without breaking any Health Containers.
Defeated 2 foes within 10 seconds in "Insidious Alliance."
Defeated "Overload" with the X-Men.