According to THR , Arnold Schwarzenegger is heading back into comedy territory. The story focuses on a group of eccentric international assassins who become fed up with Gunther, the world's greatest hitman who also happens to be an arrogant show-off, and decide to kill him. Their master plan, however, quickly turns into a series of embarrassing encounters as Gunther always appears one step ahead. The action star will topline Why We’re Killing Gunther , an action comedy that will be directed by Saturday Night Live star Taran Killam , making his directorial debut. Killam, who also wrote the script, also will star in the ensemble along with his wife, actress Cobie Smulders , SNL’s Bobby Moynihan, Paul Brittain (Hotel Transylvania 2), Kumail Nanjiani (Silicon Valley), Randall Park (The Interview) and Ryan Gaul (Identity Thief). Killam, Kim Leadford, Ash Sarohia and Steve Squillante will produce, while StarStream Media will finance. MadRiver Pictures will introduce the