Complex sentence: While wandering the city he hadn't seen in years, Logan meets this domain's Jean Grey and Emma Frost, and is taken by them to meet the rest of the X-Men, as well as "his" son, Jimmy Hudson.
Split into simpler sentences: While wandering the city he has not seen in years, Logan meets this domain's Jean Grey and Emma Frost. They take him to meet the rest of the X-Men, as well as "his" son, Jimmy Hudson.