Am I ready for Act 4?

Woody15

I finished Act 3 yesterday and it was pretty easy. I was wondering if I should go to Act 4 or explore Act 3. Any tips would help too.

These are some of my champs

Sairam44

Explore act 3 get more 4 stars

Frivolousz21

Max out that corvus. Rank up the hulk rags, darkhawk, and ghost.