Call of Duty World At War is confirmed to be part of the Black Ops timeline. Project Nova bridges the gap between both games, giving some backstory as to how Viktor Reznov ended up in Vorkuta.

Dmitri was impressionable due to the morality behind his war, and he was given a voice as Reznov’s friend in Black Ops, but his time as a hero was short-lived after he became a victim of Project ...