Hammering at Thor: Silver Bullet Comic Books talks to Michael Avon Oeming about taking over as writer of Marvel's Thor, at least for one story arc:

SBC: "Given that Thor is a staple in the Marvel Universe, are there any worries you have about writing the series?"

Oeming: "Besides embarrassing myself, 40+ years of continuity and ruining my chances of ever writing a mainstream book again? Naw ..."