Not sure how, as the DLC packs have not yet been released, but video footage has leaked of Vickie Guerero and Kharma making their entrances in WWE ’12.
The pair will be part of a DLC pack which is due at the end of the year, along with the Bella Twins and Trish Stratus.
Check out the clips below:
Kharma
— Thanks to @nerdyjordy for the tip.