Iris and Chyre sound fine, but Thawne sounds exactly like Harrison Wells from the TV show. Which...fits, when you think about it, but is kind of on the nose .
Snart as an ex-military thug working for Thawne just does not sound like Captain Cold, especially for a character so defined by being a career criminal, though I guess you could feasibly include the other Rogues by making them Snart's old army buddies .
I'm not sure about Jay as a cameo, but a former Central City University professor studying the Speed Force could work in this continuity, even if I'd prefer classic, Speedster, Jay .
Snart as an ex-military thug working for Thawne just does not sound like Captain Cold, especially for a character so defined by being a career criminal, though I guess you could feasibly include the other Rogues by making them Snart's old army buddies .
I'm not sure about Jay as a cameo, but a former Central City University professor studying the Speed Force could work in this continuity, even if I'd prefer classic, Speedster, Jay .