Hulk Origin
Anger
You can toggle into the hulk state using g to gain the hulks powers
Un Anger
You can toggle back into human form
Green
Due to the vast amounts of radiation you've been exposed to you're body is green even in human form.
Health
Due to being the hulk you have a lot more health
Installation
Place Hulk Origin 1.18+.zip into your worlds/datapacks folder