Ngokusho kombhangqwana, baqala ukusebenza embhalweni wesithombe maduze nje ngaphambi kwefilimu yokuqala - ngoDisemba nyakenye - futhi qhubekaniqhubeka ukubhala kuze kube manje. Abalingani bavuma ukuthi amathuba okusebenza emlandweni ngomphenyi odumile akufani bona, ngoba bona ngokwabo bavuka ezincwadini zikaConan Doyle. UMalluni wengeze ukuthi abalokothi bangenele isabelozimali sefilimu futhi studio bahlala bacela ukuba basike iskripthi ukuze izindleko zibe ngama- $ 30-50 million ngaphansi.
Ngokuqondene nezimvume zabasebenzi esithombeni, ukuthi izimo zibika kanjani, awukwazi ukukhathazeka ngoMqondisi - kuzosuswa umqondisi - umthondo ofanayo uzosuswa, izindima eziphambili zizokwenziwa nguRobert Downey ML. Kanye noJude ephansi, kepha abamba iqhaza kuphrojekthi Brad Pitt okukhulunywa ngayo. Kubhekwa ukuthi umlingisi angadlala uSolwazi Moriarty. Igama likaPitt naleli qhawe lahlotshaniswa isikhathi eside ngaphambi kokukhishwa kwengxenye yokuqala yesithombe. Ngemuva kwemibiko embalwa yamanga ethi uBrad uzodutshulwa kwifilimu, imininingwane yavela ukuthi umlingisi usaxoxa ngokuthi kungenzeka ukuthi ahlanganyele ekuhlanganyeleni kwakhe kulo msebenzi, kodwa kwamukelwa isinqumo sokugcina.