Mandarin (Marvel Comics) vs Mettaton: who would win?

Mandarin (Marvel Comics) favored — Favored (~65%)

Mandarin (Marvel Comics) · Marvel · Resurrected

Tier
HIGH 8-C
Attack Potency
Large Building Level
Speed
Hypersonic
Durability
Large Building Level

Mettaton · Undertale · Base

Tier
9-A
Attack Potency
Small Building Level
Speed
Supersonic+
Durability
Small Building Level

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