Kammala jumla mai zuwa: Hitler ya zaɓi Jodl ya zama Shugaban Ma'aikatan Ayyuka na sabon Oberkommando der Wehrmacht (OKW) a ranar 23 ga Agusta, 1939, kafin mamayewar Jamus na Poland. Jodl ya yi aiki a matsayin shugaban ma'aikata a lokacin
mamayewar Denmark da Norway. Bayan faduwar Faransa, Jodl ya kasance mai kyakkyawan fata game da nasarar Jamus a kan Birtaniyya, ya rubuta a ranar 30 ga Yuni 1940 cewa "Gasar Jamus ta ƙarshe a kan Ingila yanzu kawai batun lokaci ne".