John Mason

John Mason is the father of Alex Mason, grandfather of David Mason, and great-grandfather of Daniel Mason. In all timelines he partakes in World War II. He is a playable character in Crisis: Second Great War.

Crisis on Infinite Call of Duties
In Universe 1, intel reveals John was killed in the Battle of Attu after discovering the Time Rare Supply Drop on the Aleutian Islands. His early death prevents the appearance of any further Masons within the timeline.

Shadow Wars
In Universe 2, which is seen in Crisis, John is assigned to a different company; rather than Alaska, he fights and is wounded at Makin Atoll.

Black Ops
In Universe 3 (Treyarch's Black Ops 1-4), John is assigned to a different company; rather than Alaska, he fights and is wounded at Makin Atoll.

Black Ops 3: The Finale
In Universe 4, John goes back to combat after being wounded at Makin. He is a NPC in the mission "The Griffin Project", where he has joined an OSS squadron and partakes in a mission to retrieve the titular project.

Call of Duty: Relentless
In Universe 5, John once again fights at Alaska. He is a minor character within the campaign, a member of Squadron 3 within I Company. However, he does make it through the whole war.

Crisis: Second Great War
In Universe 6, John is a main, playable character. He is drafted by the newly declared Pacific States of America when the Second Great War begins. When the PSA joins the war, he heads south to fight the Nationalists.