Naughty Dog celebrated The Last of Us series yesterday alongside fans as part of its usual September 28 “Outbreak Day.” That’s when studio head Neil Druckmann revealed that the team is working on two “projects” that will expand The Last of Us canon beyond Part I and Part II. It’s also where Druckmann shared the studio’s latest update on Intergalactic: The Heretic Prophet, its in-development sci-fi action game revealed during The Game Awards almost two years ago. Since that initial reveal, we’ve…