Earth-3999

Earth-3999 is a reality that is home to the superhero team, The Champions.

Prehistory
The Kree came to earth and experimented with humans to genetically modify them into weapons (giving them powers), using a process called Terrigenesis. Their first test subject Hive was made to command the army of modified humans, but Hive turned the army against the Kree and drove them from Earth. After the Kree left their experiments, the experimented humans formed their own secret society calling themselves the Inhumans. Hive led them, until the Inhumans and the regular humans turned on Hive and banished him to an alien world that they called Maveth through the Kree Monolith. A cult formed not long after made out of Hive's followers that's purpose was to bring Hive back from Maveth. That cult would be renamed in the 20th Century as Hydra.

World War II
During World War II, Hydra had successfully infiltrated much of the German regime. Allied forces scrambled to stop this ancient conspiracy, and successfully form a team of heroes called, the Avengers. And while the Avengers did defeat Hydra and the Allies won World War II, nobody could have predicted what Hydra would be able to infiltrate the world governments.

Age of Heroes
It is a new day in the world, the Avengers have returned to the world with new members, backed by the government agency SHIELD. However, an accident at a SHIELD lab in Jersey City causes the inhabitants of the city to enter terrigenesis. Numerous people in the city become superhuman.