Most Of The X-Men Cast (Deadpool 2)
Speaking of group efforts, just about, the most epic cameo that Deadpool 2 had to offer required the participation of several additional other Marvel movie actors whose absence was jokingly acknowledged in the previous film. That joke was recalled to perfection when Wade Wilson, once again, complains about the lack of X-Men characters in his presence at the Xavier Mansion, unwitting to the fact that Charles Xavier (James McAvoy), Cyclops (Tye Sheridan), Storm (Alexandra Shipp), and others are right behind him, but Beast (Nicolas Hoult) closes the door to Xavier’s office before he can notice.
Article source: https://www.cinemablend.com/news/2559036/funniest-superhero-movie-cameos-not-counting-stan-lee