User blog comment:Kogath/Monster Hunter: World Discussion/@comment-26421638-20180711192409

https://www.pcgamer.com/monster-hunter-world-pc-producer-talks-updates-mouse-and-keyboard-support-and-more/

I... I'm not really sure if is a trustworthy source or not but if is true, no Deviljho, Lunastra and Kulve available at launch.