durability vs power
Thor
Hulk
Thing
Superman
Doomsday
Grundy
Gladiator
Scenario: They are all trapped in a vault constructed out of an indestructible alloy. The only way out is to hit the door, closed fisted, so hard that they overcome their own durability and break their own hand. If they don't they either have to watch their loved tortured and killed. Grundy and Doomsday must escape to save themselves. All characters are fully aware of what they have to do.
1. One punch
2. Three punches