Thunderfang vs Old Man Logan: who would win?

Thunderfang favored — Favored (~65%)

Thunderfang · Ninjago · Base

Tier: LOW 1-C
Attack Potency: Unknown
Speed: Ftl
Durability: Unknown

Old Man Logan · Marvel · Base

Tier: LOW 1-C
Attack Potency: Low Complex Multiverse Level
Speed: Hypersonic
Durability: Small Building Level, up to Low Complex Multiverse Level

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