There's no question: the Absolute Batman's greatest challenge in the Marvel Universe wouldn't be godlike beings like Galactus or Thanos. It would be Norman Osborn, a.k.a. the Green Goblin.

There's a reason why Kang the Conqueror was built up as a major antagonist to step into Thanos' shoes in the MCU before the pivot to Doctor Doom. What makes Kang and Batman similar is that both ...