Lex Luthor (Earth-16) has appeared 9 times in indexed Justice League stories.
| Appeared As | Appeared In | Notes | Portrayed by | |
|---|---|---|---|---|
| 2 | Villains | Young Justice 1x2 "Fireworks" | Identity disguised, later revealed to be Lex Luthor. | Mark Rolston |
| 5 | Cameo Appearnaces | Young Justice 1x5 "Schooled" | Behind-the-scenes. A Lexcorp truck can be seen in the Metropolis sequence. | N/A |
| 10 | Villains | Young Justice 1x10 "Targets" | Billionaire businessman, Lexcorp shell-companies are selling weapons to both sides in the Rhelasian war. Acts as an independent peace arbitrator for the Rhelasian Pease Summit. Vouches for Red Arrow and plays with his expectations. | Mark Rolston |
| 14 | Villains | Young Justice 1x14 "Revelations" | A billionaire business and Superman's arch-enemy. | N/A |
| 19 | Cameo Appearances | Young Justice 1x19 "Misplaced" | On monitor's observing the Brain meet the Riddler and Sportsmaster. | N/A |
| 22 | Villains | Young Justice 1x22 "Agendas" | He is the new Chairman of the Board at Cadmus and was secretly Cadmus's original founder. He leaks Match's existence to Superboy in order to trick them into revealing the location of the missing geneomorphs. | Mark Rolston |
| 25 | Villains | Young Justice 1x25 "Usual Suspects" | He realises that Superboy has used his last s-shield and summons him to Santa Prisca. Escapes. He speaks Spanish. | N/A |
| 26 | Villains | Young Justice 1x26 "Auld Acquaintance" | Helps clear evidence from Cadmus. | N/A |
| 603 | Cameo Appearances | Young Justice Invasion 2x3 "Alienated" | On a monitor while Vandal Savage welcome's Black Manta into the Light. | N/A |