She broke from the Predators when The Jackal ordered her to kill Johnny. You never know where Scorpion will turn up or whose side she'll be on. Earthcentral, Located on the homeworld, Earth, it is the central governmental body for the solar system and environs. Pure, honest, and concerned for the welfare of all of its citizens, there are a few bad apples, even here at the core. Luna and Marscol, The longest established colonies.
Large populations live, work, and grow here.
Think of Australia. The Asteroid Colonies, Some have been around for a decade or more. Some are only months old. Most center around mining and low-gravity industries. Sort of a space-faring cross between the Old West and working the Alaska Oil Fields.