Thanks to Monari, we now know that
Power Core Combiners Two Packs wave 4 have been released at Canadian retail. This sighting was made at a
Zellers in Ottawa.
This wave includes
Heavy Tread w/Groundspike and
Skyhammer w/Airlift
See where these and other Transformers are being sighted in your area by checking out the
Canadian Transformers Sightings Forum.