New engines Bash and Dash are included in the set along with old favourite Percy which clearly means that Percy is in the new special.
The information on the item reads:
Each set includes one of your favorite character engines as a Motorized engine pulling two cars. Percy's rushing to Thomas' aid with rope, a search light and a caboose for passengers. Dash, a brand new character from Misty Island, carries two logging trailer cars, while his twin, Bash, carries logging tools and a logging caboose. Perfect for a TrackMaster Motorized Railway. 3 years and up.
The set will be released soon.