Here are 2 Super Sonic things Jazwares had in mind that likely didn't happen. At left is a better look at the "Super Sonic Switcher" which was the begger doll you could turn inside-out to change him from regular to super. (seen on page 10)
At right is a display box of their small size dolls, but they've mixed together modern & classic (see Amy) AND hidden some kind of Super Sonic in the back there. The switcher doll, as described on 10, was to be a bit bigger AND come in a box, so is what's in this box yet another SS we didn't get?

The only problem with placing everything here in prototypes is "were they really"? These shots are from 2013, which was well before Jazwares lost its license. A few people even have photos where they found that monkey-looking Silver out of the small box above. The switcher, no one ever found.