Thread:Marvelus/@comment-26838855-20190116120806/@comment-3095612-20190516020930

That could be it.
 * People are thinking the Mandarin/Ten Rings might be for Shang-Chi.
 * He said he would like to bring back more characters that people think we've seen the last of, in response to a question about perhaps seeing Thunderbolt characters.

Yeah, Betsy Ross is a big ? since she was never referenced again unlike Abomination.