The Marvel's Avengers: Infinity War Movie Level Pack Add-on for LEGO Marvel Super Heroes 2 has 5 achievements.
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