I'm sure they're coming. It might not count by your definition but the Ram 1500 now comes with a standard v6 mild hybrid system. The hybrid system is also available with the 5.7l hemi.
We're supposed to be getting a plug in hybrid F-150 for the 2020 model year.
2020 Ford F-150 Plug-In Hybrid: Spied - PickupTrucks.com News