When two worlds collide. McDonalds announced this week its joint venture with Minecraft for a Happy Meal promotion, connecting two massive audiences together. With its launch April 1, "A Minecraft Movie" and Happy Meal will tie into the April 4 release of the live action film,

McDonald's is launching a Minecraft meal as part of a promotional campaign for the movie. It includes a new spicy sauce and an apple-cake McFlurry.

There's also a new limited-edition McNugget sauce, a hot sauce called Nether Flame Sauce, which features crushed red pepper, garlic and cayenne pepper. It's named for The Nether, Minecraft's hell-like dimension -- hence the heat -- and can be ordered with any food item.