User blog comment:Kogath/Monster Hunter X Discussion/@comment-26116038-20151109131936/@comment-27120688-20151109133242

Probably like most MH games they are going to hide content and mechanics until the game is released. MH4 had zero confirmed subspecies until the game actually released. I'd reserve all that and any returning monsters (I have a feeling all monsters from 4U are returning) until the game is released. They usually don't advertise old content from the exact previous game intentionally so I think we can assume popular monsters like Jho are most likely back in