"Poptopia, Part Four: The Clash"
*It's Wolverine vs. Mister Clean in the final chapter of "Poptopia"! It's the ultimate showdown in the London sewers! It's the Canadian berserker vs. the genetic cleanser! Yes, it's Logan going one-on-one with the flame-throwing fiend — and one of them won't walk away from this confrontation! Plus: Chamber learns a harsh lesson! *Source: marvel.com
Burning Puddle, Carla, Double Helix, Harmony and Hope are tunnel dwelling mutants in London.