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