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