It was discovered by Blue Marvel, who kept exploring it after his son Kevin was left stranded there when the Brashears foiled the plan of a villain to use a portal to the Exo-Space to tear the dimension apart due to the energy feedback. He initially believed the Exo-Space to be merely an alternate dimension.
Some time later, Max peacefully reached out his father to work together to free Kevin. They managed to devise a solution, and used it to temporarily bring Kevin, now empowered by the Neutral Zone, to defeat the powerful Beyond Corporation. Kevin's return lasted a few seconds, but Blue Marvel set out to try to reach out again.
The arrival of a mysterious being into the universe caused a breach in the fabric of reality, creating a tear the size of a planet which could have potentially torn the galaxy apart if Ms. America of the Ultimates hadn't closed it.
The Sharra-IV, a Shi'ar monitoring station orbiting around and observing the Great K'ythri, a wormhole connected to the Exo-Space, was attacked by Thanos when he used the Exo-Space as his entry point back to existence.
- 13 appearance(s) of Exo-Space
- 3 minor appearance(s) of Exo-Space
- 9 mention(s) of Exo-Space
- 3 image(s) of Exo-Space