Round 1 - Wolverine with marumasa blade vs deathstroke with prometheum sword. They have no other weapons including wolverines claws and healing factor.Round 2 -
Round 2 - Daken with marumasa claws vs deathstroke with standard gear including prometheum sword. random encounter, Daken has all powers.
Round 3 - Daken and Wolverine, both with normal claws and on beserker mode, bloodlusted and healing factor vs deathstroke with full knowledge on both, one week prep time
Round 4 - Daken vs Wolverine vs deathstroke. Morals on, no knowledge on each other, standard gear, all powers.