General Mills brings Mister Fantastic, Invisible Woman, Human Torch and The Thing to the cereal aisle with a special series of cereal boxes inspired by Marvel Studios’ The Fantastic Four: First Steps, which is released in movie theaters July 25, 2025. A limited run of replica Lucky Charms cereal boxes, resembling those seen in the film, is released in July as part of the collaboration.

Inspired by Marvel Studios’ Fantastic Four: First Steps, the limited-edition lineup includes the following release schedule and exclusives:

• Four Fantastic Four-themed boxes of Honey Nut Cheerios, Cinnamon Toast Crunch, Lucky Charms, and Reese’s Puffs cereal, all hitting shelves nationwide in the U.S. on June 3, 2025.
• An exclusive Trix box featuring the team’s lovable robot H.E.R.B.I.E., exclusively at Kroger Supermarkets.
• Limited-edition Cocoa Puffs boxes featuring Galactus, available exclusively at Walmart Stores.
• A retro-futuristic Lucky Charms box is released in July 2025. This limited-edition box includes a Johnny Storm collectible, and is available online only at Walmart.com starting on Tuesday, July 22, 2025.