One crew member of the Sanctuary III while it was left unoccupied by Thanos who was dead. He obeys Nebula who claims to be Thanos’ granddaughter. When the Mad Titan is brought back to life by Mistress Death, he punishes Nebula and burns her alive. He orders Bo’s’n to dispose of the body. The latter, noticing that her former chief is still alive, decides to conceal her and help her recover in a hidden part of the flagship.
When Thanos discovers this, after his quest for the infinity gems, he heals Nebula, leaving her disfigured, but kills Bo’s’n because of his loyalty to her.