So, for me the quick takeaway is that Gearbox has a new ownership group, but its business relationships are intact, with 2k still publishing, and Gearbox still publishing the titles it’s released for other studios.
Publishers do not always own the titles and studios they work with. They primarily secure the rights to distribute and promote the games for a share of the profits.
Studios actually produce those games, and own the intellectual properties, unless they sell or license their rights to use them to other parties for a specific period of time. Marvel’s sale of the rights to Mutants and Fantastic Four to Fox, the Spiderverse to Sony, the Hulk Universal?, along with a hodgepodge of characters like Marvel Knights titles to was an example of this. The Marvel was eventually sold in its entirety after forming their Film Studio, and having it purchased by Disney, but as we all know, the other studios retained the rights to the characters (IPs) they purchased, and continued to make and distribute films with them.
