“Moon Knight” star Oscar Isaac has seemingly confirmed production on a second season of Disney+ series “Moon Knight” is underway thanks to a viral TikTok uploaded by user @hayaattiaaa where Issac is seen alongside series director Mohamed Diab. When asked directly about the prospect of a second season of the show in the video, Issac cryptically teases, “Why else would we be in Cairo?” Disney has not officially confirmed a second season of the show, which ended its original six-episode run in May, but this development likely means that an announcement is in the works for the upcoming D23 Expo, w…