Here is the full list of all 58 Marvel: Ultimate Alliance 2 achievements.
Earn 20 high scores for each type of Fusion: Targeted, Guided, and Clearing.
Have 10 special conversations between characters with a history while in an HQ map.
Complete all melee training goals listed on the Stats page.
Unlock 23 alternate costumes.
Defeat "Overload" with the X-Men.
Progress through "Insidious Alliance without breaking any Health Containers"
Earn 12 Gold Medals from Simulator Missions.
Complete "Insidious Alliance" with all four heroes alive.
Defeat 2 foes within 10 seconds in "Insidious Alliance."
Earn 8 Silver Medals from Simulator Missions.
Earn 4 Bronze Medals from Simulator Missions.
Collect 125 Team Boosts.
Defeat all Act II and III missions as an Anti-Registration team.
Correctly answer 15 Trivia questions.
Fight back an ambush.
Stop a convoy.
Rescue a hideout.
Perform all 5 recommended training Fusions in Latveria.
Perform 10 revivals.
Complete all optional mission objectives.
Collect 125 Dossiers.
Complete all Power training goals on the Stats page.
Collect 30 Audio Logs.
Finish what you started.
Defeat all Act II and III missions as a Pro-Registration team.
Collect 10 Concept Art Bundles in HQ maps.
Free a country.
Break and enter.
Collect 50 Team Boosts.
Repay a favour.
Ambush your opponents.
Complete 24 maps in Co-Op.
Defend a convoy.
Raid a hideout.
Choose a side.
Defend your leaders.
Complete 8 maps in Co-Op.
Protect a city.
Crash a castle.
You or other players on your team must destroy 250 health containers.
Topple a dictator.
Complete a map in Co-Op.
Perform 10 Fusions with another player-controlled hero in a Co-Op game.
Defeat all Act I missions on Legendary Difficulty.
Defeat all Act II missions on Legendary Difficulty.
Defeat all Act III missions on Legendary Difficulty.
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.
Perform all Fusions by combining every available pairing of 24 heroes.
Collect 200 Team Boosts.
Score 30 Trivia Fusions.
Earn all Trivia rewards.
Earn Mission Succeeded on a Simulator Mission in Co-Op and return to the Simulator menu.
Complete all combat mastery goals listed on the Stats page.
Complete "Escort Duty" without destroying any turrets.
Defeat 75 foes in "Balance"
Throw all the proximity mines in "Balance".
Complete "Escort Duty" without disabling any floor hazards.