Writer Jeph Loeb, who has guided such DC Comics projects as the year long
“Hush” story arc in Batman with artist Jim Lee and the highly successful
Superman/Batman, his signed an exclusive deal with Marvel Comics.

In previous freelance stints with Marvel, Loeb wrote Daredevil:
Yellow, Spider-Man: Blue, Hulk: Gray and Gambit (all
with frequent artist-collaborator Tim Sale) and briefly worked on Fantastic
Four.

His exclusive contract does provide for him to continue
working on DC’s new series Supergirl, though, at least for the time
being. Loeb helped re-launch the character in the pages of
Superman/Batman, which he’ll be leaving with #25.