The Two Headed Axe is a melee weapon in the Zombies mode of Call of Duty: Infinite Warfare, introduced in the map Rave in the Redwoods. it does the same damage as the single bladed axe except this axe has two blades. When upgraded via Pack-a-Punch machine, it becomes the Berserker. After installing the Alien Fuses, and upgrading it once more, it becomes the Janus. sometimes, Zombies will wield this weapon.