Taika Waititi has joined Thor 4, but his Akira remake has been put on hold By Poppy-Jay Palmer 17-07-19 3,983 Taika Waititi is very in right now. According to THR, the director is officially set to return to the Marvel Cinematic Universe to helm Thor 4 (title pending…). Waititi first joined the MCU for Thor: Ragnarok in 2017,