A First Class style, (early years) Muir Island X-Men?
Moira is charged by Xavier to look after mutant affairs on the continent in a similar way his X-Men operate in the US. She leads the Muir Island team of:
Legion, (until his merging powers become too overwhelming for him).
Sage, (this is a big retcon but at this point in time she was 06 what if Xavier before enlisting her in Shaw's service brought her to Moira to help establish the Islanders).
Old Thyme mutant hilarity and action ensue.