Marvel Studios Legends S02 E06 Nebula

"As the universe expands, explore the stories of those destined to become legends."

For most of her life, Nebula yearned for validation from Thanos, carrying out his evil orders as he conspired to annihilate half the universe. But it was Gamora's love as a sister that finally turned Nebula against their genocidal father, and compelled her to join the Guardians of the Galaxy.