Geek Fuel June 2017 Spoiler #4 + Coupon Posted by Hello Subscription on June 19, 2017. Subscription Box Spoilers / Geek Fuel Spoilers . The links in this post may be affiliate links. Read full disclosure Save for Later Notification Geek Fuel spoilers are arriving for the July 2017 boxes! Boxes include: A Spider-Man poster! DEAL: Save $3 on your subscription when you use this link – no coupon code required.