Kammala jumla mai zuwa: A cikin 2012, Merkulova ta lashe gasar cin kofin duniya ta Tashkent da kuma wasan karshe na mutum a cikin kwallon, hoop da clubs. Ta yi gasa tare da abokin aikinta Evgenia Kanaeva a
Gasar Zakarun Turai ta 2012, a madadin Daria Kondakova da Daria Dmitrieva waɗanda duka suka ji rauni, ta ɗauki lambar azurfa ta gaba ɗaya. A Babban Kyautar Vorarlberg a Ostiryia a watan Yulin 2012, Merkulova ta lashe lambar tagulla a zagaye na gaba a bayan Kanaeva da Dmitrieva da kuma azurfa a wasan karshe na hoop. A gasar cin kofin duniya da aka yi a Minsk, ta zama ta huɗu a zagaye na gaba a bayan Liubov Charkashyna kuma ta lashe azurfa a wasan karshe na kulob din. An sanya ta a matsayin shigarwar ta biyu ta Rasha don mutum ɗaya a duk lokacin wasannin Olympics na 2012 a London, tare da Kanaeva, duk da haka, Dmitrieva ya maye gurbin ta a cikin shigarwar ƙarshe na Rasha a ranar 2 ga Agusta, 2012, saboda raunin Merkulova.