"It just makes me excited to see what they're going to come up with in the next 10 years," Kyle Newacheck tells PEOPLE of Sadie and Sunny Sandler

Carl Weathers’ Chubbs Peterson was also slated to return, until the actor died last year. So this film features the character’s son Slim Peterson (Lavell Crawford), who, like his father, sports a prosthetic hand that has an inconvenient propensity for falling off.