Talk about working your way up the cast list. Supergirl has gotten a bit more flexible in its second season, freely introducing its own Superman (and maybe Lex), and now one of the other great Super-foes is apparently inbound. Kneel before Zod, as a Man of Steel alum has joined the cast for Season 2.

According to (h/t BleedingCool), Man of Steel, Smallville and Arrow alum Mark Gibbon will appear in the Season 2 finale as General Zod, though it remains unclear in what capacity. Tyler Hoechlin’s Superman will also appear in the final episode, potentially indicating a flashback, or tease of further Kryptonian villainy, given that Season 2 has focused largely on Cadmus and the Daxamites.

In Man of Steel, Gibbon played one of the oil rig workers rescued by Henry Cavill’s Clark. Gibbon also appeared in several minor Smallville roles, in addition to a one-off appearance in Season 2 of Arrow.

Supergirl’s Season 2 finale will also return Calista Flockhart’s Cat Grant, but in the meantime, check out the trailer for Monday’s “Ace Reporter” below, and stay tuned for the latest.