Thanos, Lucifer, The Doctor, Doom, and Tao are ususally my go to's when it comes to prep. I would have included Reed, but to me he's just some sciency guy who happens to defeat threats with MacGuffins he pulls out of his ass at the last minute. Constantine seems more like a think on your feet guy rather than straight prep/strategist, but I can accept him.
Just finished the Majestic/DC crossover issues, and I was wondering, how would Majestic and Luthor react to each other? After all the stuff Majestic pulled in Metropolis, what would Luthor's reaction be?
Better yet, how would he fair against the rest of Superman's rogues gallery?