Activision is bringing dogs (and one Dogg) back to Call of Duty. A decade after the debut of Riley, the faithful canine companion in Call of Duty: Ghosts , you can now take Merlin, the good boy pictured above, with you for quality companionship and savage finishing moves in season five (BlackCell) of CoD: Modern Warfare II and Warzone 2.0 .
Activision says Merlin the Dog is an optional companion