My introduction to TMNT was getting the Raphael action figure from a Wal-Mart!
Here's a little piece of history scanned from the 2nd printing of Mirage's TMNT # 5.
TMNT Special Annoucement! by
oldmanwinters, on Flickr
Fresh from the Sewer: TMNT from Playmates! by
oldmanwinters, on Flickr