Master Viper vs Tyson: who would win?

Too close to call

Master Viper · Kung Fu Panda · Base

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

Tyson · Percy Jackson · Heroes of Olympus

Tier
8-C
Attack Potency
Building Level
Speed
Transonic
Durability
Building Level

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