Cool so this series is taking place between the Jupiter's Legacy arcs
http://shelf-life.ew.com/2015/01/20/mark-millar-on-jupiters-circle-the-heroic-side-of-superheroes-has-been-missing/
"Millar has announced Jupiter’s Circle, a 10-issue companion series with art from Wilfredo Torres set to release in between Legacy’s first and second halves.
Described as “Mad Men meets SuperFriends,” Jupiter’s Circle is designed to be a quieter series than Jupiter’s Legacy. According to Millar, Circle focuses on what happens between the panels of classic Silver Age heroics—the doubts and fears of the stoic, square-jawed heroes, their personal lives, and the ways they are just as frail and full of doubt as their children will turn out to be."