The Leprechaun films are a collection of terrifying films starring Warwick Davis. Although the scripts for Leprechaun 2 and Leprechaun 3 were written with various concepts in mind, the final versions of the films were quite different.
We now know what to expect thanks to YouTube user Decker Shado. Leprechaun 2 and (Trial of the Leprechaun) Leprechaun 3 were recently discussed by Shado.