Here is the full list of all 58 Marvel: Ultimate Alliance achievements.
M.O.D.O.K was defeated.
Performed 50 Finishing Moves.
Defeated 100 Enemies.
Fin Fang Foom was defeated.
Defeated 10 Enemies.
Performed 5 Finishing Moves.
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.
Tigershark and Attuma were defeated.
The Mighty Kraken was defeated.
Grey Gargoyle was defeated.
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.
Defeated 4000 enemies.
Answered 15 Trivia questions correctly.
Answered 20 Trivia Questions Correctly In A Row.
Answered 150 Trivia questions correctly.
Completed a level with at least 1 other player
Completed 25 levels with at least 1 other player.
Beat Marvel: Ultimate Alliance in Hard Mode.
Threw 5 Enemies off a Ledge.
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.
Performed 200 Finishing Moves.
Completed Skrull Cityscape level without defeating a single enemy.
Unlocked ALL outfits for EVERY hero
Unlocked all the outfits for the Hulk.
Unlocked all the outfits for Hawkeye.
Unlocked all the outfits for Cyclops.
Unlocked all the outfits for Nightcrawler.
Cyclops has spoken with Jean.
Unlocked all the outfits for Doom.
Unlocked all the outfits for Magneto.
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.