A ranar 29 ga Yuni, 2015, Kári ya koma kasarsa ta haihuwa, inda ya sanya hannu kan kwangilar shekara biyu da rabi tare da Malmö FF. Malmö FF sun siyar da manyan 'yan wasan tsakiya biyu a cikin taga canja wuri guda, kuma ya kafa sabon haɗin tsakiya tare da Rasmus Bengtsson. Teamungiyar ta ci gaba da gwagwarmaya a cikin kamfen ɗin su na gasar, amma sun cancanci zuwa rukunin rukuni na UEFA Champions League na 2015-16. A cikin ƙungiyar da ke da sabbin 'yan wasa da aka sanya hannu, Kári ya zama jagora da sauri kuma Åge Hareide ya nada shi mataimakin kyaftin. Kungiyar ta sami damar dawowa da nasarorin da ta samu a lokacin gasar.
Shekarar 2016. Tare da kyaftin Markus Rosenberg da ya ji rauni, Kári ya sa kayan hannu a lokacin wasan karshe kuma ya jagoranci tawagar don tabbatar da taken Allsvenskan tare da wasanni biyu da za a buga.