Super Powers line never actually produced that^. That's the Mattel 6" figure just inspired by and homageing the never produced Super Powers one.
Nice article here- http://www.actionfigureinsider.com/a...gsuperman.html
and - http://www.actionfigureinsider.com/m...gold-superman/
But yeah your point stands, Spin Masters may be somewhat channeling throwback elements of the Super Powers line, adding modern character updates, and yet all in their own style, which is quite charming.
Now, if they make a Capitan Rayo! I'm sold!