How Does Chuckey come back in Child's Play 2. ?

he tried to have a anthor doll par the name of chucky and when the where finshing it his sole as sucked in to the doll and a guy took him accueil ou treid and that what happens

Play Pals Inc. decided to re-create chucky so they could interogate him. nice and simple... chuckys body was re-made and his soul revived!