Supergirl Finale Recap: Lex's Last Attack Leads to a Shocking Reveal -- Plus, Meet Season 5's Big Bad!

Lex Luthor made his long-awaited (and long-dreaded) return to Supergirl on Sunday’s finale, during which he enacted his master plan to destroy Superman -- which, let’s be real, has been his only real goal all along. At the height of his madness, even Lex’s most devoted accomplices couldn’t get on board with his desire to […]