Guardians of the Galaxy Vol. 3 has been placed on hold following the removal of its director, but his brother has spoken out on the state of the project. The man who plays Yondu's second in command Kraglin, as well as being the onset stand it for Rocket, says that, while there's a lot he doesn't know, he does know Marvel is committed to getting Guardians 3 made. And more importantly, Gunn says Disney fully expects to use the script completed by James Gunn before his removal from the project. According to the actor...
I don't really know yet what's going on with Guardians 3. I know that Disney still wants to make the movie. I know that they have every intention of using the script that my brother wrote. Obviously, that was a very unfortunate situation for everybody, most of all him, but I am also somebody who had been preparing to spend half a year making that movie and now that's up in the air.
Last July James Gunn was fired by Marvel Studios following the resurfacing of old social media posts in which he made jokes about the sorts of topics that one really should not joke about. While petitions were signed and many hoped that Disney would reconsider the decision, it appears definitive now that Gunn will not be back. However, one of the questions left outstanding was whether or not the company's separation from Gunn meant Marvel would not even use the script for Guardians of the Galaxy Vol. 3 that Gunn had already written. Now, at least according to the writer/director's brother's comments to Tulsa World, it seems that Disney will be using the script, which means now they just need to find a director willing to direct that script, rather than finding one willing to write a new one.
Of course, that in itself will create its own set of potential problems. Having a new director step in to helm a property that was so clearly the emotional and creative work of one man can be a daunting task. Sean Gunn realizes that finding a director will be difficult, though he also points out that now that the movie has been officially delayed, the entire cast is now off doing other things and getting everybody's schedules free to make the sequel will be a task unto itself.
Obviously, I think it's a tricky proposition for them to find another director to step in --- and also the scheduling of a lot of other actors who are incredibly busy can't be easy. But I know that they plan on making the movie. I had not been contacted at all for a while, but I was recently contacted by Marvel saying, 'Yeah, we do plan to make this movie. We're just not sure when yet.'
Sean Gunn says the word from Marvel that the movie will be made was recent, so it appears that the current expectation is that this film will happen, even if nobody knows quite when. Originally, Guardians of the Galaxy Vol 3. was expected to be the next movie following Spider-Man: Far From Home in early 2020. Whether it will still be the next film, and we'll just get a longer gap between movies or if something else will end up going into production first, remains to be seen.