Scarlett , Shaw , Diego , and Bruno are new characters introduced in the Chaos storyline .
`` The former two maps form the new `` '' Chaos '' '' storyline , and star a new cast of characters : Scarlett , Shaw , Diego and Bruno ; while `` '' Blood of the Dead '' '' returns to the original `` '' Aether '' '' storyline established in the previous Black Ops games , and stars the four original characters ( Dempsey , Nikolai , Takeo , Richtofen ; also known collectively as Primis ) . ''
Call of Duty-COLON- Black Ops 4