Tony Stark's Dad Up For Role In "Spider-man"?

According to (Movieweb.com), "Mad Men" actor, John Slattery is in talks to play the newer verison of J.Jonah Jamieson in Marc Webb's "Spider-man" 2012 reboot. Slattery has already worked with Marvel in "Iron Man 2", where he played Tony Stark's dad, Howard Stark.