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.
Open 50 Bounty Chests in Operations
Complete the Cosmic Trial with any hero.
Loot 1,000,000 Credits.
Prestige any Hero twice.
Get Five Heroes to Level 60.
Complete 14 Different Operations
Complete the Super Heroic Trial with any hero.
Loot 100 Artifacts.
Collect any 100 Relics of the same type
Loot a Cosmic Medallion
Complete 25 Legendary Quests.
Rescue 100 civilians in Midtown Patrol.
Defeat 150 Super Villains in Midtown Manhattan.
Prestige any Hero.
Explore all of the Treasure Rooms in each chapter of Story Missions.
Defeat Loki in Chapter 9.
Visit Six Different Headquarters
Reach level 60 with any hero.
Complete 24 Different Special Events in Story Mode
Defeat Doctor Doom in Chapter 8.
Defeat Mister Sinister in Chapter 7.
Level any vendor to level 10.
Defeat Magneto in Chapter 6.
Defeat 7 Different Super Villians in their Showdowns
Find and Defeat a Cosmic Doop
Defeat Juggernaut in Chapter 5.
Defeat The Kingpin in Chapter 4.
Defeat a Training Room Target Dummy.
Defeat Elektra in Chapter 3.
Defeat The Hood in Chapter 2.
Defeat Doctor Octopus in Chapter 1
Defeat Green Goblin in the Prologue
Apply a Modification to an Artifact.
Fully upgrade a Legendary Item.
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.