Nova 6 (Earth-5082)

"Ever hear of Nova 6? It came dangerously close to being used in World War II, and the Cold War."

- - Anna Grímsdóttir

Nova 6 is a deadly biochemical weapon developed by Nazi and later Soviet scientists. Originally developed by Third Reich scientist Friedrich Steiner during World War II, it was meant to target major Allied cities across the globe in rockets. It was later refined by Steiner with the help of Soviets in a top-secret program created by Nikita Dragovich called Project Numbers.

History
The development of Nova 6 was started in January 4th, 1944 under the supervision of Doctor Friedrich Steiner. It was finally weaponized in 1945, with samples having been crafted in sufficient numbers to arm experimental rockets. The first test subjects were mice, but it later expanded to detainees at concentration camps.