Moon Knight (2017) #188 (Legacy)

1st appearance of Sun King as Patient 86

Crazy Runs in the Family, pt. 1

"Marvel Legacy Primer Pages"

A new day is dawning and with it comes an enemy unlike any that Marc Spector, Moon Knight, has ever faced. Moon Knight has always been a protector from the shadows, but this new enemy is looking to extinguish that shadow with blinding light and fire. Get ready for the introduction of Moon Knight's greatest nemesis!