here are some that i know now:
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These are the only known promotional codes kobe24,jermaine7, dirk41 brandon3,beckett . In addition there is AdrenalynTour which was on the side of the tour bus. However there has been some reports that the "code box" does not work and keeps on loading, this should be fixed by Panini soon. More codes may come out when the new season starts in the fall.
N58K2V and Y7T3MK are some herotopia codes for 2012.
Some codes are:GayfunDgsrckhavfunthirstspacecctstwosecretFor more codes visit the Related Link.
Some Running Fred cheat codes are:Boxmental dudeancient picturegrimmy
I have three bonus codes.... recycle ghettoblaster thirdday