Combo pack is polybagged with redemption code for digital download of the issue.
This issue is a variant of Batman (DC, 2011 series) #29.
There exist further variants:
Batman [Bruce Wayne]; Alfred Pennyworth (voice only); Commissioner Gillian Loeb; Detective Dan Corrigan; Lt. James Gordon; Martha Wayne; Thomas Wayne; Dr. Death [Dr. Karl Helfern] (villain); Riddler [Edward Nygma] (villain)