Ardennery, the project featuring former Mercyful Fate guitarist Michael Denner and members of Artillery, will be replacing Blitzkrieg at this year’s Nordic Noise festival. That event will take place at Kometen in Hvidovre, Denmark on May 9-10 and it will find the band performing songs from Mercyful Fate’s “Don’t Break The Oath,” “Melissa,” and self-titled…