However, it seems all will be revealed after showrunners gave away a huge clue at New York Comic Con.
Showrunner Scott Gimple revealed a closer look at the helicopter will reveal something major connecting the main show and Rick’s storyline to the spin-off series.
Scott explained: “Those three circles, represent three different civilizations that are bound,”
“And the place [the new characters from the spinoff are from] is associated with one of those circles.”
source: express.co.uk