Kaoru Maki vs Lex Luthor (CW): who would win?

Kaoru Maki favored — Slight edge (~55%)

Kaoru Maki · Puella Magi Verse · Magia Record

Tier
LOW 7-B
Attack Potency
Small City Level
Speed
Massively Hypersonic, up to Massively Hypersonic+
Durability
Unknown

Lex Luthor (CW) · DC · Enhanced with the Harun-El Serum

Tier
LOW 7-B
Attack Potency
Small City Level
Speed
Athletic Human, up to Sub-Relativistic
Durability
Small City Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.