Most of Marvel's announced movies usually don't deal with any trouble being released, but Inhumans is one of the exceptions. When the Phase Three slate was announced in 2014, Inhumane was intended to open on November 2, 2018. Then it was delayed until July 12, 2019 to close out Phase Three, and finally this past April, it was taken off the slate altogether. However, Inhumans hasn't actually been declared cancelled, and Marvel Studios president Kevin Feige is still interested in releasing the movie...just not anytime soon.
While sitting down with Slashfilm, Feige mentioned that Inhumans will likely happen at some point, though the soonest it could happen would be during Phase Four. As he put it:
I think Inhumans will happen for sure. I don't know when. I think it's happening on television. And I think as we get into Phase 4 as I've always said, it could happen as a movie. I think it would be super cool.
So as it stands now, Inhumans is still a topic of interest for Kevin Feige, but it's not the highest priority. No doubt few will blink an eye reading that Phase Four is the earliest it could come. Not only is Phase Three well-packed, but it's supposed to end with Avengers 4, a movie that will wrap up a lot of plot threads from the MCU over the last three phases. Once the dust has settled, then Inhumans can enjoy proper attention among the other Phase Four offerings. No plot details have ever been revealed about the project, though many fans believe it will star the Royal Family, the first group of Inhumans introduced to the comics. Black Bolt, Medusa, etc. For right now, though, the movie still doesn't have an official spot on the schedule.
What's especially amusing about Kevin Feige's comment is when he states that he "thinks" that the Inhumans are "happening" on television. They've been an integral part of ABC's Agents of S.H.I.E.L.D. since halfway through Season 2, i.e. for almost two years. Yes, Feige isn't involved with the MCU television shows, but it's hard to believe he isn't perfectly aware that the Inhumans have enjoyed popularity on the small screen. Nevertheless, the Marvel movies haven't been great about acknowledging certain elements from the TV shows, so hopefully if/when the Inhumans movie comes out, there will be some reference to the Inhumans from TV, if not an appearance from one or two of them.
We'll keep you apprised of any new Inhumans movie developments as they come in, but you can catch Inhumans in general on Agents of S.H.I.E.L.D., which airs Tuesdays at 10 p.m. EST/PST on ABC. In the meantime, click here to see what MCU movies are on the way.