This evening I received a confirmation of next week's releases from a separate source. This always helps to hear this from multiple sources. Next week is looking to be a Venerable/Dreadnaught with the option to build Bjorn the Fell Handed.
Please remember that these are still rumors.
via Voice of the Chaos Gods
I can confirm;
my sources say next week Space Wolves Dreadnaught with option on venerable and Björn the Fell-Handed and various weapon options.