It comes out on DVD/Blu on April 5th, so that's when the good copies will go up and probably when the production of the review will start, since they'll need a source of clips to roast.
He did do mini-reviews for Star Trek: Into Darkness, as well as the 2nd Force Awakens trailer. But this would be the first "proper Plinkett" review in a while.
According to their commentary track on Space Cop, there is a a "mini Plinkett review" that was made for the Doc of the Dead documentary. But it was cut out and hasn't been released.