User blog comment:KennyChief/S.H.I.E.L.D. is a UNITED STATES GOVERNMENT organization, not International./@comment-6127681-20151013043349/@comment-996391-20151013141616

Because you're not looking at the bigger picture (the MCU is composed not only of movies but of many tie-in materials too). In Captain America: First Vengeance, Johann Schmidt openly admits that he doesn't give a s... about Nazism, in Captain America: The First Avenger he openly says that Hitler is incompetent and plans to nuke Berlin (he even kills three of Hitler's messengers), in the Battle of Azzano HYDRA openly fires at German troops, and the modern HYDRA has members of all races and nationalities.