Re: Smallville Season 11, it"s happening...
I don't see Doomsday returning. I think putting him "in the hole in the ground" where Clark put him was a homage to the comics. If anything I could see Miller doing a "Death of Superman" arc...but that would be a LONG way off since this is still Superman Year One.
The Anti-Monitor will be bad enough to deal with. It took heroes from several different realities to stop him after all
Chief of Operations
Ignoring the The Last Stand since 2011.