Where you begin in life isn't necessarily where you end. Nebula was created by the mad titan, Thanos, as the perfect killing machine. But she's rebelled against his control and headed over to the hero side of the page. You can add her to your Marvel Champions with her Hero Pack now.
From the website:
Created by Thanos to be the perfect killing machine, Nebula broke free from her tyrannical father to become a feared space-pirate. But when the Mad Titan threatened all life in the universe, she joined forces with the Guardians of the Galaxy to stop him. Though she may have a checkered past, Nebula is ready to prove that she can be a hero too.As a sometimes-friend, sometimes-enemy of the Guardians of the Galaxy, Nebula blitzes into action in this expansion pack, which introduces her as a brand-new playable hero, along with her fifteen signature cards. With a pre-built Justice deck ready to go, you’ll be ready to try out Nebula’s technical gameplay from the moment you open the box. With a versatile range of abilities and the potential for some powerful combos, Nebula is a dangerous hero that should never be underestimated!