Actually, there's already the well established
Wittenberg Center by the Evangelical Lutheran Church in America,
working together with the Evangelical Church in Germany (EKD).
The 'SELK' mentioned in the quoted
The Lutheran Church Missouri Synod-article above just has 36,000 members (steadily declining) in less than 127 parishes all over Germany while the 23 Lutheran/Protestant/Evangelical churches in the EKD have 26,000,000 members.