Seiichi Samura vs Electro (The Amazing Spider-Man): who would win?

Too close to call

Seiichi Samura · Kagurabachi · Base

Tier
9-A, up to 7-B
Attack Potency
Small Building Level, up to City Level
Speed
Massively Hypersonic+, up to Sub-Relativistic
Durability
Small Building Level, up to City Level

Electro (The Amazing Spider-Man) · Marvel · Base

Tier
9-A, up to 8-B
Attack Potency
Small Building Level, up to City Block Level
Speed
Massively Hypersonic+
Durability
Small Building Level, up to City Block Level

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