The Mad Titan - LEGO Marvel Superheroes 2: Infinity War DLC

Defeat 10 Enemies in the "Running the Gauntlet" Level with Thanos - 10

There are around 20-25 Enemies in the level, you need to defeat 10 of them as Thanos.

The Mad Titan is the nickname given to Thanos. Thanos is a Eternal-Deviant Hybrid from one of Saturn's Moons, Titan. Thanos possesses a mystical glove, called the Infinity Gauntlet which houses and contains the power of the 6 Infinity Gems, which he uses to become the most powerful being to ever to have ever existed.

Thanos