76108 - Sanctum Sanctorum Showdown is a great introduction to the Modular Building Series. — Brickset Forum
LEGO MOC Sanctum Sanctorum Modular by Labronco Brick Designs | Rebrickable - Build with LEGO
LEGO Marvel listings suggest Sanctum Sanctorum is on the way
76108 The Sanctum Sanctorum Showdown Converted into a Modular Building! – VaderFan2187's Blog
Turned the sanctum into a modular to go in the city. Couple pics of the interior and one of it side by side a moc | Lego design, Lego village, Lego architecture