Mixamo Face Plus to MotionBuilder to UE4

Development Character & Animation
2

Make sure you have a skeletal mesh (which you do), once you have keyframed morph animation export the FBX and then all of the morphs/blendhapes should come in if you tick ‘Import Morphs’ and ‘Import Animation’ (I just tested this with C4D and it worked perfectly)

https://answers.unrealengine.com/questions/5325/help-with-understanding-how-to-get-morph-targets-w.html