We don't have a biography for Mr. Sinister (Morph) yet. Hang in there, or go ahead and contribute one.
Appearances
X-Men '97
Guest cast, played by JP Karliak
- Episode 1x09: Tolerance is Extinction - Part 2 (May 8, 2024)
- Episode 1x10: Tolerance is Extinction - Part 3 (May 15, 2024)