The listing for S-M 50 needs a minor correction in designation. Currently, the comic's final story appears to be listed as a FB but it is clearly a second story (separate title, new credit listings). It only has appearances by 3 characters. Here are the suggested changes-
GRIM HUNTER/KRAVINOFF, VLADIMIR
***S-M 50/2***
S-M 47
S-M 48
S-M 49
S-M 50
S-M 53
WOSM 120
S-M 54
WOSM 121
S-M 55
KRAVEN THE HUNTER/SERGEI KRAVINOFF
ASM 389-FB
ASM 375/4-FB
SENSM '96-FB
***S-M 50/2*** (change in designation)
SENSM '96
{ASM 15}
GREGOR
***S-M 50/2***
***S-M 47***
***S-M 48***
***S-M 49***
S-M 50
S-M 54
WOSM 121
S-M 55
KZ4 1
Also added extra appearances from S-M 47-49 for Gregor that weren't currently listed.