Donnie posted a couple teasers on this Instagram yesterday. First he shared a photo of him with Joey McIntyre and Jared Paul out golfing.
Then he posted an image of a sound wave with the caption "I think me and @ELGreatDane (Lars Halvor Jensen) are going too make Blockheads very ❤ with this one." He then followed that post with a post that said "Soon. (not Donnie soon.)"