Three days before Deadpool even hit theaters, 20th Century Fox had already reportedly greenlit a sequel to the Merc With a Mouth’s debut solo outing. The studio had every right to be confident, as Deadpool went on to become the highest-grossing R-rated film worldwide and Fox’s highest-grossing X-Men film to date. Fox hasn’t officially announced Deadpool 2 just yet, but we do know that it’s happening and that X-Force’s Cable will appear in the film. Screenwriters Rhett Reese and Paul Wernick have a few details about the sequel, including what makes Cable so special.

While speaking with HitFix, Reese and Wernick said that they weren’t really supposed to be discussing the sequel since Fox has yet to make a formal announcement, but…they talked about it anyway. Specifically, Reese explained why they chose Cable as Ryan Reynolds’ next antagonist:

There’s a lot of fun in that he’s very serious and he does take on more serious weighty issues than Deadpool’s used to taking on, so I think there’s a juxtaposition there that can be fun. We had a lot of fun with Colossus in the first movie, just by virtue of him being a foil to Deadpool, being a goody two-shoes and a straight shooter and Deadpool being irreverent. And I think Cable offers us the opportunity to provide another really cool, different foil for Deadpool.

Avatar’s Stephen Lang has been campaigning for the role of Cable, and to be fair, there’s definitely a resemblance. It’ll likely be a while before Deadpool 2 begins casting up, though — the film doesn’t even have a release date, and, again, Fox hasn’t made an official announcement.

But if you’re worried that the success of the first film means that Deadpool 2 will have a much bigger budget and lose some of its charm in the process, Wernick adds:

We don’t want to make a $200 million epic superhero Deadpool movie. We want to make the $50 million Deadpool sequel. And I think people tapped into this being a character piece, you know? This was a movie about a broken character, a broken guy who’s just trying to make his way in the world, and I think we’re gonna continue that moving forward.

Reese and Wernick are also not interested in raising the stakes — they don’t want to make a sequel that’s too big and sprawling because, as Wernick says, “it goes against who the character is.” He goes on to say that Deadpool isn’t a character invested in saving the world because “he wants to save himself.”