Yeah, that’s what I was thinking of. So I guess it would depend when Ben was cast but it’s also likely that they wouldn’t be able to make jokes about The Flash’s box office performance, for example, unless they knew ages ago that it was going to underperformI remember reading an article on Joblo a few weeks ago that said Reynolds is not allowed to improv for DP3 because of the strike....
Found it....: https://www.joblo.com/deadpool-3-ryan-reynolds-improvise-lines/