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