: hell on earth volume 4: the devil's engine & the long death (december 2012, ) – collects the devil's engine #1–3, the long death #1–3. there they took part in the battle of the philippines. picture cover versions tend to be more difficult to find for this series since more copies were printed with dust jackets. multiple scenes in the episode were meant to be rather confusing and difficult to understand in order to interest viewers so they would watch the episode multiple times, trying to learn something new each time. these questions were used as a springboard for discussion and community action. 