Death Stalker vs Collective Man: who would win?

Too close to call

Death Stalker · RWBY · Death Stalker

Tier: 8-B
Attack Potency: City Block Level
Speed: Hypersonic
Durability: City Block Level

Collective Man · Marvel · Base

Tier: 8-B
Attack Potency: City Block Level
Speed: Hypersonic
Durability: City Block Level

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