We haven't heard anything about the sequel Hansel & Gretel: Witch Hunters 2 since June 2013, when executive producer Adam McKay teased that the follow-up will be "insane." Over the weekend, Shock Till You Drop spoke with writer-director Tommy Wirkola, who revealed that the script is finished, but he's unsure if Jeremy Renner will be able to return, due to his increasingly busy schedule."I've written the script for it.