Good news, Train to Busan fans. The director of the 2016's Korean zombie horror hit, Yeon Sang-ho, is set to direct a new Netflix animated series called Hellbound. Yeon is already on our radar these days thanks to his unofficial sequel to Train to Busan, Peninsula, currently set for release in 2020. [caption id="attachment_890778" align="alignright" width="400"] Image via Pan Media and Entertainment[/caption] But it looks like we're going to have to officially file Yeon under "Directors to Watch" because he has once again secured a fascinating project worth keeping tabs on. Per Screen …