There are more hero bundles offered in the in-game store, so you may want to download the game and look in there first before deciding on what, if any, bundles you would like to buy depending on the heroes offered in each.

There are more hero "bundles" offered in the in-game store that can get you more heroes to work with for a decent price

So if you have the money to burn and would like to save your gold for other stuff, this is one of the best bundles available.