https://screenrant.com/flash-grant-gustin-dcu-arrowverse-response/

The Flash TV show star Grant Gustin opens up on whether or not he would return as Barry Allen for James Gunn's new DC Universe if he was asked.

DCU Boss James Gunn Wants to Work With Flash Star Grant Gustin (https://www.cbr.com/dcu-james-gunn-work-with-flash-grant-gustin/)

DC Studios head James Gunn expresses interest in finding a project to work on with Grant Gustin, who memorably played The Flash in the Arrowverse.