Agents of STRIKE
Formally known as SHIELD Facility 42X, the ARMOR base known as “Wonderland” is located outside our reality. It is actually on Earth-N, the “Negative Zone”.
It is SHIELD’s most secure possible incarceration facility, and at this time is used exclusively by ARMOR for multiversal threats. Individuals captured in Incursions (or individuals that the Exploration Corps or Ultimates have taken prisoner while on missions on other worlds) are held at Wonderland. Because of the non-existent legal structure for addressing the issues with these individuals, and the danger they present to our reality, it was considered the best possible solution to store them here.
At this time, it has been determined that using Wonderland to store extranormal threats from our reality is an inappropriate usage of ARMOR’s facilities and resources, and potentially in violation of a host of laws and ethics.