Naturally Marvel like to have trademarks running for 'Marvel' as well – in pretty much everything they can.
Here are their three most recent filings for the Marvel trademark.
Cheese; chicken nuggets; drinking yogurts; fruit-based snack food; soups; yogurt.
Drinking waters; flavored waters; fruit juices; smoothies.
Fresh fruit, excluding strawberries
Looks like some like of Marvel fast food line[...]