Kamen Rider Kuuga vs Marcos Gildark: who would win?

Too close to call

Kamen Rider Kuuga · Kamen Rider · Amazing Mighty Form

Tier

6-C

Attack Potency

Island Level

Speed

Superhuman, up to Hypersonic

Durability

Island Level

Marcos Gildark · Re:Zero kara Hajimeru Isekai Seikatsu · Base

Tier

6-C

Attack Potency

Island Level

Speed

Superhuman, up to Sub-Relativistic

Durability

Island Level

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