in the 2009 F150 forum there is a thread discussing engine for the 2011 model year. The is a 5.0L V8 and 3.5L boosted V6. The article mentioned that the 6.2L will be a niche F-150 option but will be in the super duty line up.
Wait and see.
Here is the link
Sources Say Coyote And EcoBoost Engines On Horizon For F-150, Sunset for 4.6-L and 5.4-L V-8s - PickupTrucks.com News