I couldn't find it on the source website (www.2chan.net), so will mention the website that has a habit of not creditting its sources - http://www.tformers.com/transformers...1955/news.html

This is the third version of this figure, and is definitely an unexpected theme for a TFs toy, with a pumpkin colouring and cobwebs details.

Apparently it will be a store exclusive in Japan, to be released in September.