Quote Originally Posted by Kraco
The relationship of those two is exactly like it should be between two strong villains: They would likely try to murder the other very soon if they weren't working for a greater purpose.
As opposed to how the relationship usually is between two strong villains: They would likely try to murder the other very soon if they weren't working for a greater purpose, only then one of them does and they end up failing because strong villains can never successfully work together.