Patrick Frater Asia Bureau ChiefThe Disney Plus streaming services launches on Friday in South Korea and Taiwan, two developed markets in East Asia. The launches will be followed by the release of some new Asian-produced shows that were revealed last month.In Korea, the service joins a crowded and highly competitive market where Apple TV Plus launched only last week.Disney Plus will be sold at KRW9,900 ($8.40) per month or KRW99,000 ($84) a year.