If you are a fan, you will get it. Lately, there are a lot of hero movies already released to the public. You can tell that DC and Marvel are pushing the superhero theme these past few years, and people are already got into it and loving the plot, the characters, and the effects. There are many cartoons that are popular as well such as Steven Universe, Gravity Falls and Rick and Morty, to name a few, and fans started to sprout out from out of nowhere. People are already demanded merchandise from them, and there are a lot of people who would love to own a Superman action figure or a Batman t-shirt. The printed t-shirt has become more popular thanks to them.
Different companies such as Shirtmagic, are aware of these changes and they take advantage of it by producing different customized shirt of their favorite character, hero, and actor and people lap it up. Why has it become so popular to the point that fans wanted more of their merchandise? Well, the simple answer is because they held an emotional connection to their characters and they wish to have something of them to take it home to. They will wear the custom t-shirts to show that they are a fan and to support the creator in making more work or movies.
It is a good marketing tool, you cannot deny the use of it, but it can also help express yourself that you are a fan of Marvel and not DC. This way people can understand where your interest lie. They will get it and will not assume. After all, the customize shirts can be different things. It can send people a message, or it can give people inspiration. Shirtmagic has seen the value of owning a printed t-shirt. They know what they are doing, after all, they have the means to make it more. You can even have them printed a t-shirt to help support your cause. For example, you wanted to bring back Hannibal to have your S4 by doing so; your actions will be noticed, and the production team will realize that there are a lot of people who demanded to have more episodes to be released on air. This will force the production team to give Hannibal green light for S4 because of popular demand. This is how powerful the customize t-shirts are, and the power of the fans is so strong that the producers have no choice but to provide their demand.