HYDRA is a terrorist-military organization bent on world domination and originated many thousands of years ago as a cult to a powerful Inhuman warlord who was banished to a desert planet. It was later revived by Johann Schmidt, otherwise known as the Red Skull, during World War II as a subdivision of the Nazi Party's Science Division. It was later reorganizaed under Schmidt's head scientist, Arnim Zola, and infiltrated SHIELD for over 70 years until it was exposed and forced to reveal itself to wage war upon the world again in the modern era. It was ultimately dealt a heavy blow with the demise of most of its leaders, including its treacherous Inhuman-obsessed god Hive; however, only a few of the heads cut off by SHIELD and the Avengers were actually part of the true leadership. The remaining true leaders have since begun to plan their next move toward world domination and the return of the more-loyal gods, operating behind the shadows while the world is more focused on the coming threat of Thanos, Dormammu, the rogue Inhumans, and the LMD-Framework controlled by Mister Sinister.