The next two Z-mount lenses are NIKKOR Z 85mm f/1.2 S lens and NIKKOR Z 400mm f/2.8 S lens. Both lenses are expected to be announced in next few months.
NIKKOR Z 85mm f/1.2 S lens:
This lens will have similar design as NIKKOR Z 50mm f/1.2 S lens, announcement expected in next few months.
NIKKOR Z 400mm f/2.8 S lens:
This lens will be announced along with upcoming Nikon Z9, it will have built in 1.4x converter as the NIKKOR 180-400mm f/4E TC1.4 FL ED VR lens (with the TC the focal length will be 560mm).
via: NR