However, the 20-year-old has continued to impress for Wales U-21's, including, arguably his most impressive outing to date for the national side in Friday night's 2-1 victory over Italy.
And, King looked set to claim his second full international cap against Russia after John Toshack called him into the reckoning.
But, unfortunately King has been forced to pull out with an injury that is sure to concern City boss Nigel Pearson as he prepares his side for the visit of Ian Holloway's Blackpool on Saturday.