Rumors via sources on Faeit 212
Death Guard releases are going to be:
Mortarion
Typhus
Lord of Contagion
Noxious Blightbringer
Malignant Plaguecaster
Tallyman
Multi-part Plague Marine Kit
Multi Part Terminator Kit
Multi-Part Pox Walker Kit
Blight Drone Kit
Plagueburster Tank Kit
Codex and Cards
Special Edition Codex and Cards set
Not sure if there will be other models, but those are guaranteed.