You can use equipment to buff him and get value, and you can use cards like Angelic Exaltation and Sublime Archangel to set up for big swings
Charizard always commands a premium, so it's unlikely Glaceon will catch up, but there's no telling what the Pokemon market has in store.
IDW Publishing also had a surprise switcheroo on its Magic: The Gathering inserts, as it switched the cards that it and Wizards of the Coast had announced as inserts in its Magic: The Gathering #3 and #4 issues
As for some non-fastfood released cards still related to food that come to mind: The Teach/Tryout Set of July 18, 2011 were given to kids from the primary school or younger at Dennys restaurants
Compare Multiple Sources - pokescreener.com aggregates data from various platforms - Cross-reference prices for the most accurate valuation 2
For builders and players, Japanese cards are tournament-legal in most formats (though not all always check with your local league)