Question:  American actor and voice actor Nolan North participated in which online-only multiplayer first-person shooter video game published by Activision?
Sentence (from "Nolan North"): Martin Walker in "", David in "The Last of Us", several characters in various pieces of Marvel media (most popularly Deadpool), Superboy in "Young Justice", himself and one of the possible voice choices for the Boss in "Saints Row IV", and Edward Richtofen in the "Call of Duty" Zombies storyline.
Relevant evidence: No