Board Thread:Questions and Answers/@comment-4905320-20150605030702/@comment-4651179-20150605034942

Yes, S.H.I.E.L.D. was one of those projects that were left unfinished. Luckly, Jonathan Hickman and Dustin Weaver have both confirmed that issue #5 has been finished, and that the final sixth issue is being produced (here). The series will make its return September 2015.

You can follow this Tumblr blog run by Dustin Weaver, which updates regularly with BTS of the series, news, and related stuff.