Lei Kung vs Riot: who would win?

Too close to call

Lei Kung · Kung Fu Panda · Base

Tier
8-C
Attack Potency
Building Level
Speed
Subsonic, up to Supersonic
Durability
Building Level

Riot · Marvel · Base

Tier
8-C
Attack Potency
Building Level
Speed
Subsonic, up to Supersonic
Durability
Building Level

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