13 Deals offers the Marvel Heroes 288-Count Sticker Pack for $3.99 with free shipping. That's tied with our October mention, $6 off list, and the lowest total price we could find. Each sticker measures approximately 0.5".
Of note, you can also buy two packs for $7. (Discount appears in-cart.)
This flu season, you can do some very simple, cost-effective things that will substantially reduce your risk of getting sick.