| Title | Vol No. | Issue No. | Publisher | Year Published | Price | |
| X | 1 | 2 | Dark Horse | 1994-96 | $2.50 | |
| X | 1 | 3 | Dark Horse | 1994-96 | $2.50 | |
| X | 1 | 5 | Dark Horse | 1994-96 | $2.50 | |
| X | 1 | 7 | Dark Horse | 1994-96 | $2.50 | |
| X/1999 | 1 | 1 | Viz | 1999-2001 | $16.00 | |
| X-51 | 1 | 1 | Marvel | 1999-2001 | $2.50 | |
| X-51 | 1 | 2 | Marvel | 1999-2001 | $2.50 | |
| X-51 | 1 | 5 | Marvel | 1999-2001 | $2.50 | |
| X-51 | 1 | 6 | Marvel | 1999-2001 | $2.50 | |
| X-51 | 1 | 8 | Marvel | 1999-2001 | $2.50 | |
| X-51 | 1 | 1A | Marvel | 1999-2001 | $8.00 | |
| X-51 | 1 | 2A | Marvel | 1999-2001 | $2.50 | |
| Xander in Lost Universe | 1 | 4 | Tekno/Big E | 1995-96 | $2.00 | |
| X-Calibre | 1 | 2 | Marvel | 1995 | $2.00 | |
| X-Calibre | 1 | 3 | Marvel | 1995 | $2.00 | |
| X-Calibre | 1 | 4 | Marvel | 1995 | $2.00 | |
| Xena: Warrior Princess | 1 | 0 | Topps | 1997 | $8.00 | |
| Xena: Warrior Princess | 1 | 2 | Topps | 1997 | $6.00 | |
| Xena: Warrior Princess | 2 | 2 | Topps | 1999 | $3.00 | photo cover |
| Xena: Warrior Princess | 2 | 3 | Topps | 1999 | $3.00 | photo cover |
| Xena: Warrior Princess | 2 | 4 | Topps | 1999 | $3.00 | photo cover |
| Xena: Warrior Princess | 2 | 7 | Topps | 1999 | $3.00 | photo cover |
| Xena: Warrior Princess | 2 | 8 | Topps | 1999 | $3.00 | photo cover |
| Xena: Warrior Princess | 2 | 1A | Topps | 1999 | $3.00 | art cover |
| Xena: Warrior Princess (Hercules - reprints of Xena's 1st app) | 2 | TPB | Topps | 1997 | $8.00 | |
| Xena: Warrior Princess versus Callisto | 1 | 3 | Topps | 1998 | $2.50 | |
| Xena: Warrior Princess versus Callisto | 1 | 1A | Topps | 1998 | $2.50 | |
| Xena: Warrior Princess versus Callisto | 1 | 3A | Topps | 1998 | $2.50 | |
| Xena: Warrior Princess/Joxer: Warrior Prince | 1 | 1 | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess/Joxer: Warrior Prince | 1 | 2 | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess/Joxer: Warrior Prince | 1 | 3 | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess/Joxer: Warrior Prince | 1 | 1A | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess/Joxer: Warrior Prince | 1 | 2A | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Dragon's Teeth | 1 | 1 | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Dragon's Teeth | 1 | 2 | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Dragon's Teeth | 1 | 3 | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Dragon's Teeth | 1 | 1A | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Dragon's Teeth | 1 | 2A | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Dragon's Teeth | 1 | 3A | Topps | 1997-98 | $3.00 | |
| Xena: Warrior Princess: The Orpheus Trilogy | 1 | 1 | Topps | 1998 | $2.50 | |
| Xena: Warrior Princess: The Orpheus Trilogy | 1 | 2 | Topps | 1998 | $2.50 | |
| Xena: Warrior Princess: The Orpheus Trilogy | 1 | 3 | Topps | 1998 | $2.50 | |
| Xenobrood | 1 | 0 | DC | 1994-95 | $2.50 | |
| Xenon | 1 | 1 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 2 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 3 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 4 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 5 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 6 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 18 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 19 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 20 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 21 | Viz | 1987-88 | $2.00 | |
| Xenon | 1 | 22 | Viz | 1987-88 | $2.00 | |
| X-Factor | 1 | 2 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 3 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 4 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 5 | Marvel | 1986-98 | $8.00 | |
| X-Factor | 1 | 7 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 8 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 9 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 10 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 11 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 12 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 13 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 14 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 16 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 17 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 18 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 19 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 20 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 21 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 22 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 23 | Marvel | 1986-98 | $10.00 | |
| X-Factor | 1 | 25 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 26 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 27 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 28 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 29 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 30 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 31 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 32 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 33 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 34 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 35 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 35 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 38 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 39 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 40 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 41 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 42 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 43 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 44 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 45 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 46 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 47 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 48 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 49 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 50 | Marvel | 1986-98 | $4.00 | |
| X-Factor | 1 | 51 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 52 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 53 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 54 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 55 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 56 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 57 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 58 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 59 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 60 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 61 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 62 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 63 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 64 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 65 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 67 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 68 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 69 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 70 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 71 | Marvel | 1986-98 | $5.00 | |
| X-Factor | 1 | 72 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 73 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 74 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 75 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 76 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 77 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 78 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 79 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 80 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 81 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 82 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 83 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 84 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 85 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 86 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 87 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 88 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 89 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 90 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 91 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 93 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 94 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 95 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 96 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 100 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 101 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 103 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 108 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 110 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 111 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 112 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 113 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 114 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 115 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 116 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 117 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 118 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 119 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 121 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 122 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 123 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 124 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 125 | Marvel | 1986-98 | $3.00 | |
| X-Factor | 1 | 126 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 128 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 129 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 131 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 132 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 133 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 134 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 138 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 139 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 140 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 141 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 142 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 143 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 144 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 145 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 147 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 149 | Marvel | 1986-98 | $2.50 | |
| X-Factor | 1 | 71B | Marvel | 1986-98 | $2.50 | |
| X-Factor - Annual | 1 | 1 | Marvel | 1986 | $4.00 | |
| X-Factor - Annual | 1 | 2 | Marvel | 1987 | $4.00 | |
| X-Factor - Annual | 1 | 3 | Marvel | 1988 | $4.00 | |
| X-Factor - Annual | 1 | 4 | Marvel | 1989 | $4.00 | |
| X-Factor - Annual | 1 | 5 | Marvel | 1990 | $4.00 | |
| X-Factor - Annual | 1 | 6 | Marvel | 1991 | $4.00 | |
| X-Factor - Annual | 1 | 7 | Marvel | 1992 | $4.00 | |
| X-Factor - Annual | 1 | 8 | Marvel | 1993 | $4.00 | |
| X-Factor - Annual | 1 | 9 | Marvel | 1993 | $4.00 | |
| X-Factor: Prisoner of Love | 1 | 1 | Marvel | 1990 | $5.00 | |
| X-Files | 1 | -2 | Topps | 1995-98 | $5.00 | |
| X-Files | 1 | 0 | Topps | 1995-98 | $4.00 | |
| X-Files | 1 | 3 | Topps | 1995-98 | $4.00 | |
| X-Files | 1 | 4 | Topps | 1995-98 | $4.00 | |
| X-Files | 1 | 5 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 6 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 7 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 8 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 9 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 10 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 11 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 12 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 13 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 14 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 16 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 17 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 18 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 19 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 20 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 22 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 23 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 24 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 25 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 26 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 27 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 28 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 29 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 31 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 34 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 35 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 36 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 37 | Topps | 1995-98 | $3.00 | |
| X-Files | 1 | 2A | Topps | 1995-98 | $7.50 | |
| X-Files: A Graphic Novel | 1 | 1 | Topps | $5.00 | ||
| X-Files: Season One - Deep Throat | 1 | 1 | Topps | $5.00 | ||
| X-Files: Season One - Pilot | 1 | 1 | Topps | $5.00 | ||
| X-Files: Season One - Space | 1 | 1 | Topps | 1997-98 | $5.00 | |
| X-Force | 1 | -1 | Marvel | 1991-2002 | $2.25 | |
| X-Force | 1 | -1 | Marvel | 1991-2002 | $2.25 | |
| X-Force | 1 | 1 | Marvel | 1991-2002 | $5.00 | |
| X-Force | 1 | 2 | Marvel | 1991-2002 | $4.00 | |
| X-Force | 1 | 3 | Marvel | 1991-2002 | $3.00 | |
| X-Force | 1 | 4 | Marvel | 1991-2002 | $3.00 | |
| X-Force | 1 | 5 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 6 | Marvel | 1991-2002 | $2.00 | |
| X-Force | 1 | 7 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 8 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 9 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 10 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 11 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 12 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 13 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 16 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 17 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 18 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 | 19 | Marvel | 1991-2002 | $2.50 | |
| X-Force | 1 |