Arrival (OI)

Arrival is the first mission in the Outside Influence campaign. It introduces the players to the basic controls of the campaign, as well as introducing Zombies, the Infiltrators and Magma-Man, the leader of the Nazi Zombies Plus Forest.

Overview
The missions starts with a cutscene showing an unidentified Call of Duty related Wiki ablaze and slowly crumbling, before a presumably nuclear device explodes, blanking the screen. It is then revealed that this was a hologram of the actual event, and the group consisting of Tribellium, Bird, Waffle and ZH115 are told to come to the strategy room.

A few Call of Duty Wiki Administrators reveal the entire collection of Call of Duty Wikis, with a place called the Nazi Zombies Plus Forest glowing. One of the Admins points to the Forest, stating that they have teams heading off to all of the Wikis, but the Forest would prove harder to defend against the threat which has destroyed Call of Duty Wikis before. It would prove harder because the leaders are divided. Tribellium reveals that he and his team have been to the Forest before, and accepts the mission. The group will then arrive at the gateway to the Forest, where the mission will begin.

Several Zombies notice the group and begin advancing, once defeated using the tutorial on weapon usage, a fiery portal will appear in front of the gate. Several Napalm Zombies will emerge and must be defeated in order to progress through the mission. Magma-Man will then emerge from the portal. Recognising the users, he tells them to step through the portal to his realm, the Home of Magma. The group will then follow him, ending the tutorial mission.

Trivia

 * "Arrival" is a reference to Halo 3, as the tutorial mission of Halo 3 is called Arrival.