One of the breakout characters in the first Deadpool movie returns for the sequel, and the future seems bright for Negasonic Teenage Warhead. Actor Brianna Hildebrand spoke with ComicBook.com while on the red carpet at the premiere for Deadpool 2, where we asked if she's going to appear in the X-Force movie or a different X-Men production. "I'm not entirely sure. "Even if they did, I'm not really sure what I can say about it.