Yeah, during the time of the buyout news there was a little freakout of them making Deadpool PG13. The CEO Bob Iger said something along the lines of "the franchise will be able to continue with the R Rating". Cant remember word for word what he said, but the gist was Deadpool could continue on as an R Rated franchise. I think they did the PG13 Deadpool 2 as a test of sorts to see if a PG13 deadpool could work. There hasnt been anything official revealed, but I think Disney execs are already behind the scenes on some of Fox's current stuff to see how they can adapt them under Disney. Example being Kevin Feige reviewing the script for Dark Phoenix. So i think Marvel/Disney may have had a bit of influence on seeing if Deadpool 2 PG13 would work, if being successful, they could fully have him in the MCU as PG13 just like the rest of them.
Hopefully these Black Widow rumors are true though and she will have her film R Rated. I dont see why they wouldnt be able to keep Deadpool R Rated and just make sure he is a bit toned down in his cameo appearances in other films since he will be working under a different team of writers/directors anyways.
I know marvel was a decent sized reason for the Fox purchase, but Disney also now has their hands on a bunch of different franchises that have a lot of spin off/sequel potential. That was a big reason they bought Lucasfilms for Star Wars. George was releasing films whenever, but there was so much money being made from stories in books/comics and other forms of media with all these characters that existed in that universe that have an established fanbase.
