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