Lady Mastermind
Regan Wyngarde
- Also known as
First appearance: X-Treme X-Men (Marvel, 2001 series) #6 (December 2001).
Appearances
- X-Treme X-Men #8 — 2002-02-00
- X-Men #189 — 2006-09-00
- X-Men #191 — 2006-11-00
- X-Men #195 — 2007-03-00
- X-Men #196 — 2007-04-00
- X-Men #197 — 2007-05-00
- X-Men #200 — 2007-08-00
- X-Men #200 — 2007-08-00
- X-Men #203 — 2007-11-00
- X-Men #204 — 2007-12-00
- X-Men: Messiah Complex - Mutant Files #[nn] — 2007-12-26
- New X-Men #44 — 2008-01-00
- X-Men: Divided We Stand #[nn] — 2008-08-20
- X-Men: Pixie Strikes Back #2 — 2010-05-00
- X-Men: Pixie Strikes Back #3 — 2010-06-00
- X-Men: Pixie Strikes Back #4 — 2010-07-00
- X-Men: Pixie Strikes Back #[nn] — 2010-07-14
- Origins of Marvel Comics: X-Men #1 — 2010-11-00
- All-New X-Men #3 — 2014-05-21
- Uncanny Avengers #5 — 2016-04-00
- Age of X-Man: The Amazing Nightcrawler #[nn] — 2019-10-00
- Dark X-Men: The Mercy Crown #[nn] — 2024-07-10
- X-Men: Reign of X by Jonathan Hickman #1 — 2024-07-24