Morning, all...
First and foremost, I'd like to thank everyone for participating & sharing their thoughts in regards to the MJI inserts; a lot of valuable knowledge when having an interest in this certain focus.
And now... an explanation & apology...
After getting back into comic collecting after a 9 year hiatus & 2 weeks prior to posting my question, the lot I won from eBay were Marvel Premieres (Iron Fist run) that have the inserts inside them. When inquiring about the inserts on the CS forum boards over 5 years ago, which was my second post on the boards, I mistakenly typed "Preview" instead of "Premiere". I never noticed, after 5 years of posting this question, that the typo was there... Giving kudos to steveinthecity & ADAMANTIUM for catching it...
I very much apologize for the "typo"... it was never my intention to claim and/or falsify that I have seen or owned MJIs in any magazine sized/ square-bound comics, and hopefully haven't inadvertently given reason for collectors with this focus to go on a "wild goose chase". Again, all apologies.