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.
Open 50 Bounty Chests in Operations
Complete 25 Legendary Quests.
Find and Defeat a Cosmic Doop
Get Five Heroes to Level 60.
Complete 14 Different Operations
Loot 1,000,000 Credits.
Apply a Modification to an Artifact.
Collect any 100 Relics of the same type
Prestige any Hero twice.
Loot 100 Artifacts.
Prestige any Hero.
Defeat a Training Room Target Dummy.
Explore all of the Treasure Rooms in each chapter of Story Missions.
Defeat 7 Different Super Villians in their Showdowns
Loot a Cosmic Medallion
Complete the Cosmic Trial with any hero.
Complete the Super Heroic Trial with any hero.
Rescue 100 civilians in Midtown Patrol.
Visit Six Different Headquarters
Defeat 150 Super Villains in Midtown Manhattan.
Defeat Loki in Chapter 9.
Reach level 60 with any hero.
Complete 24 Different Special Events in Story Mode
Defeat Doctor Doom in Chapter 8.
Level any vendor to level 10.
Defeat Mister Sinister in Chapter 7.
Defeat Magneto in Chapter 6.
Defeat Juggernaut in Chapter 5.
Defeat The Kingpin in Chapter 4.
Defeat Elektra in Chapter 3.
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.