Apart from these two reasons is the difficulty of the mission. It won't be easy to get Black Mantis because he holes himself in his establishment without leaving. His establishment is also heavily guarded and fortified because he has to meet his customers physically to administer the dose to them.
They have to prepare for the possibility of attacks on his person. It is a matter of fact that there have been frequent attacks against the gang from both their enemies, the police force, villains, supers, and their bitter customers. All of these require heavy protection for Black Mantis to keep his life.
He chuckled as he thought about what had happened with the Purple Drag gang earlier in the day. The raid is something he would have expected to happen to the Black Mantis gang, not the gang of partying crossdressers.
