Deadpool 2 picks up John Wick director
That means a sequel was all but inevitable, and everyone on board thought so too. Ryan Reynolds was back in the mask and things were proceeding for a 2018 release. That was until director Tim Miller announced he was leaving over those dreaded creative differences.
We'll never know exactly what happened but the rumour was he wanted to make a much more ambitious (and much more expensive) sequel, and Reynolds and the writers wanted to stick with the format that worked so well for the first film.