Full list of all 75 LEGO Marvel Super Heroes 2 achievements. It takes around 50-60 hours to unlock all of the achievements in the base game on Windows.
The base game contains 45 achievements, and there are 6 DLC packs containing 30 achievements.
Collect Gwenpool
Complete ''Out of Time''
Complete the story
Complete ''On Board The Sword''
Complete ''The Road to Knowhere''
Complete ''I Sphinx We Have A Problem''
Complete ''Torg-nado''
Complete ''Red King Revelation''
Complete ''Hala, is it Kree You're Looking For?''
Complete ''Inhuman Nature''
Complete ''Kree-search and Development''
Complete ''Symbiote Surprise''
Complete ''K'un-Lun Konundrum''
Complete ''Noir Night-Mayor''
Complete ''Rune to Manoeuvre''
Have various Captain America characters join forces in a single party
Complete ''Surtur-n Doom''
Complete ''High-Noon Saloon''
Create a custom superhero
Complete ''Hydra Hijinks''
Complete ''What's Klaw's is Mined''
Complete ''Castle Hassle''
Have Groot and Groot (Small) in a party
Activate dance mode and make 5 characters dance
Complete ''Avenger's World Tour''
Complete ''No Eson of Mine''
Rescue all Peril Characters
Obtain 'True Believer' in every level
Unlock and view all Minikit comics
Collect all Gold Bricks
Purchase all characters
Complete all quests in Chronopolis
Witness the 100% LEGO Stud Fountain
Complete all races in Chronopolis
Defeat 30 enemies using The Black Knight (Nathan Garrett)
Smash 100 vehicles
Have Morbius, Cap-Wolf, Triton and The Living Mummy in a party
Destroy 100 enemies as Hulk (Thor: Ragnarok)
Play as Fin Fang Foom in ''Defying Conventions''
Play ''Capture the Infinity Stone'' in 'Grandmaster Mode'
Have multiple Kangs in a party
Explore Ancient Egypt as Kang
Have Cosmo and Lockjaw in a party
Complete 10 challenges in Chronopolis
Take a selfie with Eson the Searcher in ''No Eson of Mine''
Complete ''Running the Gauntlet''
Complete the 'Running the Gauntlet' level with all Minikits unlocked
Complete the 'Running the Gauntlet' level after achieving True Believer status
Set both Free Play characters as Proxima Midnight and Corvus Glaive during 'Running the Gauntlet'
Defeat 10 enemies in the 'Running the Gauntlet' level with Thanos
Complete ''The Great Escape''
Complete the 'The Great Escape' level with all Minikits unlocked
Complete the 'The Great Escape' level after achieving True Believer status
Defeat both enemies in the 'The Great Escape' level with Molly Hayes
Destroy both sets of sunglasses positioned on the Magic Trap Masks.
Complete ''Egghead Eggs-capade''
Complete the 'Egghead Eggs-capade' level with all Minikits unlocked
Complete the 'Egghead Eggs-capade' level after achieving True Believer status
Set both Free Play characters as Wasp Classic and Yellowjacket in the 'Egghead Eggs-capade' level
Defeat 10 enemies with a heat beam in the 'Egghead Eggs-capade' level
Complete ''Double Trouble''
Complete the 'Double Trouble' level with all Minikits unlocked
Complete the 'Double Trouble' level after achieving True Believer status
Set both Free Play characters as Mister Negative in the 'Double Trouble' level
Defeat 20 enemies in the 'Double Trouble' level as Dagger
Complete 'Awesome Mix Vol. 2'
Complete the 'Awesome Mix Vol. 2' level with all Minikits unlocked
Complete the 'Awesome Mix Vol. 2' level after achieving True Believer status
Play as Groot until Mr Blue Sky stops playing
Damage the Abilisk using the Anulax batteries
Complete ''Welcome to the Jungle''
Complete the 'Welcome to the Jungle' level with all Minikits unlocked
Complete the 'Welcome to the Jungle' level after achieving True Believer status
Set both Free Play characters as M.O.D.O.K. and M.O.D.A.M. in the 'Welcome to the Jungle' level
Get killed by the Rhino Mech