While the Legion of Doom never showed up in the DC Extended Universe, two pieces of concept art from Aquaman and the Lost Kingdom have Black Manta's headquarters channel the Hall of Doom from Challenge of the Superfriends.
Aquaman 2 Concept Art Sees Black Manta’s Headquarters Evoking the Hall of Doom
Black Manta's headquarters channels the Hall of Doom from Challenge of the Superfriends in Aquaman and the Lost Kingdom concept art.
