One of the most imfamous villains in gaming history versus the one of the most boss villians in comic books.
Sephiroth gets no prep.
Both are in character.
Fight takes place on top of a mesa in the middle of an empty desert.
Scenario 1: Crisis Core Sephiroth vs Doom W/O prep.
Scenario 2: Crisis Core Sephiroth vs Doom W/ 1 hour prep.
Scenario 3: Advent Children Sephiroth vs Doom W/ 1 hour prep.