It's hard to say who is more powerful. Blade has his vampire - slaying skills and speed. But Wolverine has his adamantium claws and that incredible healing factor. In a straight - up fight, Wolverine could take a lot of hits from Blade and keep coming back. However, Blade might be able to use his knowledge of the undead and his specialized weapons to gain an advantage.
Kimiko is indeed present in the comics. Her character brings a lot of depth and intrigue to the plot. There are various storylines involving her that make the comics more engaging.
In Wolverine vs Deadpool graphic novel, a major plot point could be a power struggle. Maybe there's a new power source or a weapon that both want. Wolverine wants it for what he believes is the right cause, while Deadpool just wants it for the fun and potential profit. Their interactions around this object or power create a lot of the story's tension.
There could be some interesting mutants in the background. Maybe a young mutant who looks up to both Wolverine and Deadpool in different ways. This character might add an element of naivete and hope to the story.
Kimiko's fate in comics can be quite complex. It might be that in one comic version she survives, while in another she doesn't. It all hinges on the narrative and the creative vision of the comic creators.