[identity profile] bruinsfan.insanejournal.com 2009-07-12 17:30 (UTC)(link)
I dunno the particulars - he might be owned by Roy Thomas, or by Marvel Comics. I know he's appeared in Marvel books that weren't written by Thomas, too, but they could have been with his permission.

I wonder if the Dynamite folks cleared it, or just assumed that he was a public domain Robert E. Howard character like Thoth Amon?