Shueisha’s official Saikyō Jump website has announced that the upcoming September 2016 issue of the magazine will contain a new Dragon Ball Heroes spin-off manga: “Dark Demon Realm Mission” (暗黒魔界ミッション / Ankoku Makai Misshon).
The Super Dragon Ball Heroes: Dark Demon Realm Mission spin-off — tying in with on-going Dragon Ball Heroes arcade missions along with the game’s upcoming Super Dragon Ball Heroes update — will be contributed by Charisma Mission author Yoshitaka Nagayama.
While the issue is confirmed to continue with the Dragon Ball SD spin-off/retelling by Naho Ooishi (which will kick off a major time-skip next issue), it remains to be seen which of the various other spin-offs will continue onward in light of Nagayama taking on more work. The most recent (July 2016) issue of the bi-monthly publication contained entries from five on-going Dragon Ball manga publications: Dragon Ball Fusions the MANGA!!, Dragon Ball Discross Divine Power God MAX!!, Dragon Ball Heroes Super Charisma Mission!, Dragon Ball SD, and the Dragon Ball GT anime comic.
UPDATE: Kanzenshuu received the following response from Nagayama on Twitter regarding the upcoming manga and the question of what might happen with the existing Charisma Mission series-
Rather than a new series, I’d prefer that you think of it as the “Dark Demon Realm Arc” of the currently-serialized “Super Charisma Mission” (^ ^)
The Charismas are watching the Dark Demon Realm arc of the game together with the readers, and doing research on it (^O^)