Smash bro's..?

In smash bro's a virus appears,its first host is kirby killing mario too,the others will have to survive and maybe,just maybe find a cure but beware there is no garanteed that other characters will survive, THE RULES HAVE CHANGED.Stages:Stage 1.The victim is normal but has a black sting where the infected was stinged on,Stage 2.The victim has dull eye's,smiling uncontrolbaly and has a worry,scared face,Phase 3.The victim sprouts tentacles and is super hostile,infecting anyone in sight.Characters:Kirby(Phase 3),Dr.Mario(Safe),Sieth(Sorry if I spelled that wrong,Safe),Marlet(Safe),Mewtwo(Missing),Sonic(Safe),Marx(Safe),Ness(Safe),Cappy(Safe),Bowser(Safe) mushrooGame boy(Infected),Ash(Infected),Pikmin(Infected)add more if you like