Mimic was originally introduced in the RUIN DLC for FNAF: Security Breach as the main antagonist ... the terrifying character, and this trailer promises to uncover the past, to better understand ...

The trailer suggests a 1979 setting ... that could have widespread implications for the franchise’s lore. FNAF: Security ...

For full clarity, this area can be reached by riding the lift attached to FNAF: Security Breach's main stage down to Basement 2 and walking forward through the two sets of red double doors.