This month’s Netflix releases include a Mexican crime series about an immortal mercenaries unit, a Korean dating show about singles, an anime adaptation of Scott Westerfield’s alt-World War One novel, a documentary about the rise of evangelical Christianity in Brazil, a docuseries about the 2005 London bombings, a new season of the popular “Lord of the Flies”-like thriller, and a new season of the popular “Yellowjackets” show.