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