Hulk is good now!
This is such an insane card!
This is not an ally you should just throw into any deck. You really want to build around it. It has to be continuously healed to get the most use out of it, and it takes quite a bit of consequential damage at a time. But damn, is it crazy to just have an ally that can technically gain infinite attack.
This works best if you hardly ever go alter-ego, and even better if you can make the villain attack you with cards like Taunt.
It's a Basic Ally and can be used in any aspect, but it's going to find its home in Protection which has the most cost-efficient ally healing, is built where you can most easily take a hit, has access to Ready for a Fight so you can recover and flip back to take an attack, and has access to plenty of cards that make the villain attack more.
We still may not have a good Hulk player deck, but at least we have an ally that will be fun to build around.