"The J-Hawks, they used to be nobody, and now they are doing big stuff? They're not even based here!"
Crackerjack's brief commentary is one of the few tidbits of information we have on this group of super-heroes at this time. This could be a seed implanted by the creative team, hinting that more might be forthcoming. Then again, this may be all that we will ever hear from or about them.
Based on their name, they are probably located somewhere near Kansas.