This probably won’t be news to my American friends (so many of you now! Hi!), but when this ginormous collision of nerd cultures occurred last year, I didn’t even exist.
Postal administrations worldwide are short of a dollar, so they’re replacing worthy topics with themes they hope will appeal to the masses beyond their base of stamp-collector suckers. This can lead to horrendous results, like the use of stamps to report sports results. But sometimes, it totally works.