original members carey howe and michael olivieri returned in 2007 and leatherwolf re-issued "world asylum" with olivieri's vocals in place of wade black as "new world asylum", again mixed by hansen. in the fall of 2007, leatherwolf embarked on a short european tour, highlighted by a headline appearance at the 9th edition of germany's keep it true festival. guitarist geoff gayer was let go at the end of the trip and replaced by greg erba with whom the band lensed a video clip for "dr. wicked (rx o.d.)" with karpis maksudian at the helm once again. it would be included on the "monsters of metal vol. 6" video compilation by nuclear blast.