Battlefield 3, 4, Bad Company 1 and 2, and 2142 are all different periods during World War 3. Battlefield 3 and 4 show the war as it opens with the campaign of 3 and 4 showing the first shots of the war, the Bad Company series showing escalated tensions due to what occurred in 3 and 4, and 2142 shows us the future and what the world has become.
Battlefield 3, 4, Bad Company 1 and 2, and 2142 are all different periods during World War 3. Battlefield 3 and 4 show the war as it opens with the campaign of 3 and 4 showing the first shots of the war, the Bad Company series showing escalated tensions due to what occurred in 3 and 4, and 2142 shows us the future and what the world has become.