Heavy Metal DEICIDE, MARDUK, VADER To Team Up For ‘Unholy Titans Tour 2010’ January 13, 2010 Atomm Leave a comment DEICIDE, MARDUK and VADER will team up for the “Unholy Titans Tour 2010” in May.Source DEICIDE, MARDUK and VADER will team up for the “Unholy Titans Tour 2010” in May.Source