if you're referring to the medic and sniper girls from the first arc, they were apparently someone else's characters(not entirely sure on that) so they won't be in. as far as Jo making girls, that's up to him. would probably be interesting to see his styles for the four who haven't had a girl yet.
Jane, bitch please. She won't let you come back unless you come crawling ,begging for ANY work, no matter how degrading, even humiliating forms of fanservice.