Just putting this out there - I got a vintage Destro backer card from this guy on eBay....Beggars_canyon
I don't see Mego stuff in his repository, but the Destro card I received rivals my own quality...actually, exceeds any card I ever did because he actually uses the proper chipboard.
Plus, they make their bubbles in-house for these figures.
I bet their Star wars cards and bubbles are gorgeous.
Here's their eBay link-