IDW G.I. Joe 255 Retail Incentive Cover B by Artist John Royle Posted on June 13, 2018 at 10:12 am by DESTRO under G.I. Joe Comics IDW artist John Royle stopped by to show off some awesome new art that he worked on from G.I. Joe #257 IDW G.I. Joe 255 Retail Incentive Cover B by Artist John Royle - Additional Images