Super Munchkin - Plot Device

[MunchkinMan]

You never fight the Monsters separately, so you would be down by 9. The Super Munchkin Plot Device sets the combat at essentially +1 or -1 for the Munchkin side, so you obviously need to adjust. Now, the easiest way I find to handle that specific card is to have it give a bonus to the appropriate side. Since you were 41, I would make the plot device a +24 for the Monster side to give the Monster 42. The second Monster would then give the Monster side 50 to your 41.