Board Thread:Questions and Answers/@comment-61022-20160330220251/@comment-5448995-20160331165618

Well, it's still not Earth-616 and Earth-1610 before their merger, the guide calls them realities similar to Earth-616 and Earth-1610, so they would need a TRN since we don't know their names.

In that case we can call one Clinton Barton Earth-6161610, Clinton Barton (Ultimate) Earth-616160.