Chapter 3 of the Kingdom Hearts III manga is now available in English from Yen Press. Olympus Coliseum can be bought as a digital download from Amazon, Barnes & Noble, BookWalker, ComiXology, Google Play, iBooks, and Kobo. The issue's price varies from $0.99 to $1.99 for the United States and $2.99 for Canada.
Chapter 3 was released in Japanese on Gangan Online back in July.
You can also check out the articles for the previous chapters by clicking on the links below!