Expected release date of August 2018, with an RRP of 8,000 yen, unfortunately it's a TTMall exclusive:
EDIT:
More pics, with an added accessory reveal (communicator armband seen in the show):
Test shot of the communicator:
Listing up:
http://takaratomymall.jp/shop/g/g4904810102359/
Oh yeah, original mutant head: