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