The Guardians of the Galaxy have often consisted of some of the most dangerous people in the Marvel Cinematic Universe. That included selfish, murderous and downright mean individuals like Nebula, Gamora and Rocket Raccoon. But their charm came from the fact that even with their pasts, they learned to be a family and be better individuals to themselves and others. Nebula was always the first to come to mind considering she started as a villain, but Guardians of the Galaxy Vol. 3 proved that even Star-Lord had a dark side.
Source：https://www.cbr.com/guardians-of-the-galaxy-vol-3-star-lore-inner-ravager/
