Superman & Lois S04e02 Bd9 Upd May 2026

“The BD9 Protocol — Trust No One, Not Even Yourself.”

“Kal-El…” the figure rasped. “You hid the fragment. The BD9 core. Give it back… or I let them cross.” superman & lois s04e02 bd9

It had arrived the night before, buried in the chest of a dying Kryptonian scout drone. The drone’s last words weren’t a warning. They were a name. “The BD9 Protocol — Trust No One, Not Even Yourself

Lois stepped forward, fearless. “Who are you?” the doppelgänger collapsed

Clark’s fist clenched. But before he could move, the doppelgänger collapsed, clutching his chest. A glowing symbol burned through his suit: .