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