“We’ve talked about having Lex on the show since it’s inception and we’re excited to have him finally arrive.
“We’re beyond excited to introduce iconic villain, Lex Luthor, to Supergirl and to weave him into our story this season,” Rovner and Queller said in a joint statement.
Arrow will continue the story on Monday, December 10, before it all comes to an end in Supergirl on Tuesday, December 11.
Deadline reports that Superman’s biggest mortal enemy Lex Luthor is making his way to National City as Supergirl executive producers Robert Rovner and Jessica Queller announces his forthcoming appearance in the fourth season of The CW’s DC superhero series.