I think it is sorely needed.
With the current overlanding craze such a trim would be an assured seller.
Also it will be easy/affordable for Nissan to create that trim:
Simply take the PRO4X wheels off the Titan PRO4X (a simple bolt on as they fit), put on upgraded shocks (no design changes here either, but a simple bolt on), add skidplates (a la titan PRO4X, a bolt on), a rear locker (pre exist for this platform in the Nissan parts bin for the worldmarket versions of this platform) and deliver it with AT instead of hiway tires.
Add badges.
Charge an extra $3000.
Watch the sales.