Robert Downey Jr.'s casting as Doctor Doom in the upcoming Avengers: Doomsday rocked the internet when it was announced, but I was instantly skeptical. To me, bringing back RDJ as a villain felt like a desperate move, one spurred by Marvel's diminishing box office returns, and not something motivated by the needs of the story.
I was willing to be proved wrong, though, until I saw Superman. The first movie of DCU Chapter One: Gods and Monsters drops us right in the middle of a lasting feud between Lex Luthor and his arch-nemesis Supes, and it doesn't need any kind of gimmick to set Lex up as an all-timer of a bad guy.
