Re:Marvel Comics and the “most intricate fictional narrative...
by webmaven on Saturday June 14, 2014 @05:41PM
(#7893781)
What's 'substantial'? The Wild Cards novels have had a couple of dozen authors, I think (though one editor) for several decades, and maintained continuity rather well: http://en.wikipedia.org/wiki/Wild_Cards
Just look at what happened to the Star Wars extended universe - and that with a much tighter creative control.