Thread:Monolith616/@comment-2192044-20150415052113/@comment-26066818-20150415133304

Once. Nine years ago (so not "currently"). When Ronan was the "good guy" of the story. As part of a team of female assassins and cutthroats. While Gamora ruled them from a throne of skulls.

That was Gamora descending to Nebula's level, not Nebula becoming a "Neutral" character.