"DC COMICS CHARACTER AQUAMAN RETURNS WITH HIS WIFE MERA; TOM WELLING DIRECTS AND MICHAL HOGAN (“BATTLESTAR GALACTICA”) GUEST STARS AS COL SLADE. — In an effort to protect the rest of the team, Oliver (Justin Hartley) decides to register for the Vigilante Registration Act to see what the government plans to do with the new law. As he suspected, it was a trap to lure superheroes to an undisclosed location where he is confined to a jail and subjected to a battery of brutal tests under the supervision of Col. Slade (guest star Michael Hogan, “Battlestar Galactica”)."
Sounds cool - I always liked Aquaman in the Smallville series. Also we will get to see their take on Deathstroke.