So apparently "flavored water" is a thing. I'm not sure what the difference is between that and something like Kool-Aid, which is essentially just flavored water. I guess it's all about presentation because AquaBalls seem to be doing well with their orbs of flavor.
The only thing better than a ball shaped bottle is a ball shaped bottle with superheroes on them. Which brings us to Marvel's offerings. As you can expect they have an Avengers version:
And an Amazing Spider-Man version: