Here is the full list of all 58 Marvel: Ultimate Alliance achievements.
Won 100 Arcade Mode Levels.
Doom has spoken with himself.
Sabretooth has been mistaken for Wolverine
Unlocked all the outfits for Doom.
Unlocked all the outfits for Sabretooth.
Completed 25 levels with 3 other players.
Completed 1 level with 3 other players.
Unlocked all the outfits for Nightcrawler.
Unlocked all the outfits for Hawkeye.
Unlocked all the outfits for Venom.
Unlocked all the outfits for the Hulk.
Magneto has spoken to Xavier.
Cyclops has spoken with Jean.
Unlocked all the outfits for Cyclops.
Unlocked all the outfits for Magneto.
Won 20 Arcade Mode Levels.
Won 15 Arcade Mode levels consecutively.
Unlocked ALL outfits for EVERY hero
Silver Surfer was unlocked as a playable hero.
Attained gold on all comic missions.
Defeated 4000 enemies.
Win 3 Arcade levels consecutively.
Won 1 Arcade Mode Level.
The Mighty Galactus was toppled
Titannus was defeated.
Completed Skrull Cityscape level without defeating a single enemy.
Deathbird was crushed.
Gladiator was defeated.
Answered 150 Trivia questions correctly.
Loki was defeated.
Ymir fell to the forces of good.
Executioner and Enchantress were defeated.
Beat Marvel: Ultimate Alliance in Hard Mode.
Dr. Doom was utterly defeated.
Nick Fury was unlocked as a playable hero.
Mephisto was struck down.
Blackheart was defeated.
Threw 500 enemies off a ledge.
Threw 50 Enemies off a ledge.
Arcade was Defeated.
Daredevil was unlocked as a playable hero.
Black Panther was unlocked as a playable hero.
Answered 20 Trivia Questions Correctly In A Row.
Performed 200 Finishing Moves.
The evil Mandarin was crushed by the forces of good.
Grey Gargoyle was defeated.
Threw 5 Enemies off a Ledge.
The Mighty Kraken was defeated.
Tigershark and Attuma were defeated.
Performed 50 Finishing Moves.
M.O.D.O.K was defeated.
Completed 25 levels with at least 1 other player.
Completed a level with at least 1 other player
Answered 15 Trivia questions correctly.
Fin Fang Foom was defeated.
Defeated 100 Enemies.
Performed 5 Finishing Moves.
Defeated 10 Enemies.