Superboy (1988)

S3E5 Roads Not Taken (1)

An anonymous note directs Superboy to Darla's secret lair, where he discovers Lana imprisoned in a meat locker. Darla is using Lana as leverage to compel Superboy to retrieve Luthor from a portal created by Dr. Winger, which leads to a parallel universe. This alternate reality is engulfed in turmoil following Luthor's assassination by a different version of Superboy. As Superboy attempts to bring Luthor back, he faces a formidable challenge when he is ambushed by an alternate Dr. Winger wielding kryptonite.