Online retailers such as Amazon.com, art.com and allposters.com offer various Incredible Hulk posters. Additionally, some artist marketplaces such as Etsy.com offer Incredible Hulk posters, usually drawn by hand by artists.
Allposters.com has the largest selection of Incredible Hulk posters, most, if not all of them licensed by Marvel Comics. Popular types of posters include custom art done by the actual artists behind the comic books over the years and actual panels of comics blown up into appropriate sizes. Allposters.com also features posters that feature the Incredible Hulk in his various movies, both separate and together with the rest of his superhero team.
Amazon.com has a similar layout to allposters.com, but has a smaller selection. However, Amazon.com also features various shipping deals from time to time, and the prices for posters found on there may also be lower than on allposters.com. Art.com lists many different types of posters as well, including several unique ones not listed on the other two sites, as of 2015.
Many artists create art and then sell it on Etsy.com. A lot of the merchandise offered on Etsy is not licensed and does not come from the actual creators of the Incredible Hulk or Marvel Comics. The website offers unique designs, many of which cannot be found anywhere else.