Didn't see this in the Seibertron news, so thought I'd share this. One Of Swords did a podcast and got to talk to Matt Tieger of High Moon Studios, answering questions readers had submitted.
http://oneofswords.com/category/games/transformers/He also sets straight that WFC is unrelated to Transformers: Prime.
Imo it looks that was just a misunderstanding of Hasbro's ambiguous comment of WFC "leading into" Transformers: Prime. I think they meant 'warming up for' not that the the two were in the same continuity.