Re: Fantastic Four reboot-- Casting, Rumors, Pix, ect;
Sure, he could be Jewish, but the key was the part about him being part of the Lower East Side Jewish community, which was poor, working class, tough, etc. The African American community in the United States as a whole is probably closer to that spirit than the Ethiopian community. I don't think it's his religious beliefs themselves that's important.
When on Romulus, Do as the Romulans