Maybe he could join the Justice League in some capacity, maybe as their Head Scientist.
Also, thought that this new Fawcett Universe could use some extra Lore, so after doing some research on Earth-S and all the stuff that's now under their sphere, I comprised a list of a number of potential cities within that could potentially be part of the Silver Earth now and in the future. Hopefully, It'll give
@THeaven a bit of inspiration, when he comes back.
Fawcett City, Illinois (The Marvel Family)
Collegeville, Maine (The Bullets, Golden Arrow?)
Puritan City, Maryland (formerly Gotham, changed due to copyright. Mr Scarlet)
New York City The Creeper, T.H.U.N.D.E.R?, Phantom Eagle?)
Washington DC (Hawk and Dove, Commando Yank?)
Carterville, Kentucky (The Hunchback?)
Junction City, California (???)
Circle City, Alabama (Missing Man?)
Hub City, Michigan (The Question)
River City, Tennessee (Odd Man)
London, England (Janus Snape)