The Blackdoor Group is a covert government organization which was established to research controversial weapons technology for the United States. They are the Immortals' primary enemy.


The Blackdoor Group

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.