7 in order that in the coming ages he might show the incomparable riches of his grace, expressed in his kindness to us in Christ Jesus.

Read Ephesians 2:7 Using Other Translations

That in the ages to come he might shew the exceeding riches of his grace in his kindness toward us through Christ Jesus.
so that in the coming ages he might show the immeasurable riches of his grace in kindness toward us in Christ Jesus.
So God can point to us in all future ages as examples of the incredible wealth of his grace and kindness toward us, as shown in all he has done for us who are united with Christ Jesus.