Thanks mate, Appreciate your time and replyCheck again, if your link is still there.
Check if your page is still live.
Also try checking the cache version of the wiki page
like this. in your address bar paste this
cache:https://en.wikipedia.org/wiki/Kevin_Hart
Then check if your link is there in the related column.
If your link is there that means your backlink got indexed.
My link was indexed within 2 days. So it is safe to say your link will be indexed in 2 days.Especially for Wikipedia backlinks? ( Related links)