Last year, in “B.P.R.D. Hell on Earth: The Devil’s Wings,” Kate Corrigan wound up in the Bureau’s second sub-basement where she found Sledgehammer…

Of course, Mignola and company wouldn’t just throw in a teaser like that for no reason. Sledgehammer’s coming back in “B.P.R.D. Hell on Earth: Modern Prometheus.” This two-issue arc will be drawn by Julián Totino Tedesco, whose spectacular covers adorned last year’s “Witchfinder: The Mysteries of Unland.” (He also participated in last year’s 31 Days of Hellboy.) “Modern Prometheus” hits shelves July 15. Don’t miss it. And in the meantime, you might want to catch up on “Sledgehammer 44” if you haven’t already.