Full list of all 37 Marvel Heroes Omega achievements worth 1,030 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game.
The base game contains 35 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 2 achievements worth 30 Gamerscore.
Fully upgrade a Legendary Item.
Complete 14 Different Operations
Loot a Cosmic Medallion
Prestige any Hero twice.
Complete the Cosmic Trial with any hero.
Open 50 Bounty Chests in Operations
Apply a Modification to an Artifact.
Get Five Heroes to Level 60.
Loot 1,000,000 Credits.
Complete 25 Legendary Quests.
Collect any 100 Relics of the same type
Visit Six Different Headquarters
Defeat Loki in Chapter 9.
Explore all of the Treasure Rooms in each chapter of Story Missions.
Defeat Doctor Doom in Chapter 8.
Complete 24 Different Special Events in Story Mode
Defeat 7 Different Super Villians in their Showdowns
Find and Defeat a Cosmic Doop
Defeat Mister Sinister in Chapter 7.
Defeat Magneto in Chapter 6.
Defeat Juggernaut in Chapter 5.
Defeat The Kingpin in Chapter 4.
Loot 100 Artifacts.
Prestige any Hero.
Reach level 60 with any hero.
Complete the Super Heroic Trial with any hero.
Defeat Elektra in Chapter 3.
Level any vendor to level 10.
Defeat a Training Room Target Dummy.
Rescue 100 civilians in Midtown Patrol.
Defeat 150 Super Villains in Midtown Manhattan.
Defeat The Hood in Chapter 2.
Defeat Doctor Octopus in Chapter 1
Defeat Green Goblin in the Prologue
Earned all other Marvel Heroes Omega achievements.
Alone, defeat Shocker in under 50 seconds upon entering the Abandoned Subway Operation.
Defeat 10 different members of the Sinister Six.