Cika wannan jumla: A ranar 28 ga Janairu, 2018, a
Royal Rumble, Mysterio ya yi bayyanar dare daya, ya shiga a matsayin mai shiga ba zato ba tsammani a lamba 27 a wasan Royal Rumble, inda ya kawar da Adam Cole kafin daga baya Finn Bálor ya kawar da shi. A Babban taron Royal Rumble a ranar 27 ga Afrilu, Mysterio ya halarci wasan Royal Rumble na mutum 50, amma Baron Corbin ya kawar da shi. A ranar 26 ga Yuni, an bayyana Mysterio a matsayin ɗayan halayen kyauta na WWE 2K19. A ranar 19 ga Satumba, an tabbatar da cewa Mysterio ya sanya hannu kan kwangilar shekara biyu tare da WWE.