This variant was only available in the Black Mask Secret email box set. The cover interconnects to the other Secret variant covers included in the box, which were Godkiller Vol. 1, Liberator #1, We Can Never Go Home #1 and Young Terrorists #1.
No printed cover price or UPC.
This issue is a variant of Ballistic (Black Mask Studios, 2015 series)
There exist further variants: