- Apocalypse is the main villain of Special Operation 16.
- Apocalypse has three themed gear: , and .
- Apocalypse was first mentioned in Sugar Man's bio, albeit the alternate reality version of Apocalypse from Sugar Man's "Age of Apocalypse" reality.
- Apocalypse was soon after mentioned in Angel's bio.
- He was the first major enemy of the original X-Factor (who were previously the original X-Men, from the comics which included Angel and Iceman)