User blog comment:Kogath/Monster Hunter X Discussion/@comment-184612-20150731090914/@comment-5020152-20150731131528

I'm guessing that since we have two 2nd Gen areas returning, there will be a few more 1st and 3rd Gen areas coming back as well. I am REALLY hoping for the Old Jungle and Tundra to reappear.

I hope the Deserted Island comes back too - the Portable 3rd version that had no underwater areas.