Siryn
Theresa Cassidy (Earth-616)
Appears in 20 issues
Appearances
X-Factor #9
2006
X-Factor #8
2006
X-Force #25
1993
The Uncanny X-Men #296
1993
X-Force #17
1992
The Uncanny X-Men #295
1992
X-Force #16
1992
The Uncanny X-Men #294
1992
X-Factor #84
1992
Fallen Angels #8
1987
Fallen Angels #7
1987
Fallen Angels #6
1987
Fallen Angels #5
1987
X-Factor #18
1987
Fallen Angels #4
1987
Fallen Angels #3
1987
Fallen Angels #2
1987
Fallen Angels #1
1987
Daily Bugle Special Edition: Civil War #1
Cable & Deadpool #17