The Putrid Blightkings (on sale 18th October) are a 5 man 40mm sized unit and will retail for £33.50/44/$56.
The character, Gutrot Spume, is a clam packed miniature who is most likely a character version of the Blightkings. He will retail at £16/21/$26.
Both of these new releases can be fielded in Warriors of Chaos, Beastmen and Daemons of Chaos forces.
The images, found on Warseer, can be found below: