March 2017 Comic Block Spoilers & Coupon Posted by Hello Subscription on February 28, 2017. Subscription Box Spoilers / Comic Block Spoilers Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification We have franchise spoilers for March 2017 Comic Block! DEAL: Current Comic Block Coupon Code for your first block- use the code HELLOSUB16 to save 15%. TIP: This coupon code is often active all month long – Earlybird orders: Save 20% on your first box with code EARLYBIRD20!