Disney announced the launch of a world-wide celebration honoring 90 years of Mickey Mouse. Since his big-screen debut in Steamboat Willie on November 18, 1928, Mickey has been the global ambassador for The Walt Disney Company. From the beloved Mickey Mouse Club to today’s Mickey Mouse cartoon shorts, Mickey’s optimistic outlook and endearing personality continue to delight fans around the world every day. The cross-company festivities will continue through 2018 and beyond and will include an exclusive fashion show, a new television special, a celebration at…