The designation "Earth-TRN843" used in this article is unofficial , used by this wiki for internal purposes only until an official designation is provided by Marvel.
History
When A.I.M. perfected their brainwashing devices, they used them to mind-control several prominent superheroes into their enforcers. Captain America was among those affected, becoming an agent of A.I.M. known as Captain A.I.M.erica. His life was experienced by his counterpart from Earth-18157 as a means of torture by Nightmare.[1]