Crossword puzzle clue "roman something like mcx or iv"

Roman ___ (something like MCX or IV)

Roman or Holy Roman

Pre-Roman Roman

Where Roman met Roman

Roman "Roman"

Like something deep fried vis-a-vis something oven broiled, say

Animated film where the main character journeys to the excavation site of a Roman emperor's corpse and learns a little something along the way?

Sign denoting that something is perched on something else?