The long-awaited revival of X-Men: The Animated Series spotlighted a lot of characters from the mutant corner of Marvel’s mythology, including Forge, voiced in this series by Gil Birmingham.

Created by Chris Claremont and John Romita Jr. in 1984’s Uncanny X-Men #188, The Adversary is initially a demonic entity summoned by Forge on the battlefield of the Vietnam War. Intent on ...