Full list of all 58 Marvel: Ultimate Alliance achievements worth 1,250 gamerscore.
The base game contains 46 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 12 achievements worth 250 Gamerscore.
Beat Marvel: Ultimate Alliance in Hard Mode.
Won 20 Arcade Mode Levels.
Won 15 Arcade Mode levels consecutively.
Won 100 Arcade Mode Levels.
Attained Gold on all Comic Missions.
Completed 25 levels with 3 other players.
Won 3 Arcade Mode levels consecutively.
Unlocked all the outfits for every hero.
Completed 1 level with 3 other players.
Silver Surfer was unlocked as a playable hero.
Threw 500 enemies off a ledge.
Won 1 Arcade Mode Level.
Defeated 4000 enemies.
Completed 25 levels with at least 1 other player.
Completed Skrull Cityscape level without defeating a single enemy.
Threw 50 enemies off a ledge.
Nick Fury was unlocked as a playable hero.
Dr. Doom was utterly defeated.
Answered 20 Trivia questions correctly in a row.
Threw 5 enemies off a ledge.
Completed a level with at least 1 other player.
Black Panther was unlocked as a playable hero.
Answered 150 Trivia questions correctly.
The mighty Galactus was toppled.
Titannus was defeated.
Deathbird was crushed.
Gladiator was defeated.
Loki was defeated.
Ymir fell to the forces of good.
Daredevil was unlocked as a playable hero.
Executioner and Enchantress were defeated.
Mephisto was struck down.
Blackheart was defeated.
Arcade was defeated.
Answered 15 Trivia questions correctly.
The evil Mandarin was crushed by the forces of good.
Grey Gargoyle was defeated.
The mighty Kraken was defeated.
Tigershark and Attuma were defeated.
Performed 200 Finishing Moves.
M.O.D.O.K was defeated.
Performed 50 Finishing Moves.
Defeated 100 enemies.
Fin Fang Foom was defeated.
Performed 5 Finishing Moves.
Defeated 10 enemies.
Unlocked all the outfits for Nightcrawler
Unlocked all the outfits for Hawkeye.
Unlocked all the outfits for Cyclops.
Cyclops has spoken with Jean.
Unlocked all the outfits for the Hulk.
Unlocked all the outfits for Venom.
Unlocked all the outfits for Sabretooth.
Doom has spoken with himself.
Sabretooth has been mistaken for Wolverine.
Magneto has spoken to Xavier.
Unlocked all the outfits for Magneto.
Unlocked all the outfits for Doom.