Regardless, the X-Men are often stacked with the strongest mutants around, and today, we’re going to celebrate the strongest ones who have ever worn an X by ranking the ten physically strongest X-Men. Frenzy’s mutant power makes her incredibly strong and nigh invulnerable, which is a sentence you’ll be reading a lot this list. When fully charged with solar energy, Sunspot considers himself the strongest mutant on the planet, and he can back up at least part of that. 1) JuggernautImage Courtesy of Marvel ComicsThere’s something ironic about the strongest X-Men of all not being a mutant, but Cain Marko is well and truly unstoppable. So there we have the seven physically strongest X-Men, ranked.