Out of all of the movies in the Marvel Cinematic Universe,
Inhumans which was originally slated for November 2018 and then July 2019, as had its fair of rumors and speculations regarding its fate behind the scenes, from reports that it was being cancelled, that the movie was all work from Ike Perlmutter just for promote
Agents of S.H.I.E.L.D. & that Kevin Feige never wanted to do it to begin with and it all seemed to be right when the movie was taken off schedule, but during San Diego Comic Con, Marvel Studios President Kevin Feige was quick to reaffirm that the project its still alive and we may see it in the next 4-5 years.
This is what he had to say "We've announced through 2019, we have ideas through 2021. It sounds like the future but it's not so far away. We're determining what we'll be doing then and certainly Inhumans will be part of that."
Marvel has already slated May 1, 2020, July 10, 2020 and November 6, 2020 for some yet to be revealed movies, so its likely Inhumans could be released on either date if not somewhere down the line in 2021, we will keep you updated on the status of the Inhumans when more news arrives, stay tuned.