Director of Deadpool & Wolverine Shawn Levy said that cameos "peppered" the threequel:

Director Shawn Levy has revealed intriguing facts about Deadpool & Wolverine, promising a variety of character cameos that will thrill fans, as excitement for the film's release grows. Levy emphasized the presence of "a lot of characters" in an interview that Deadline was able to secure, and he made hints about how these appearances will be smoothly woven into the story. (Also Read: Ryan Reynolds claims the first Deadpool 3 idea was a road movie budgeting $5 million that had "no special effects.")