Marvelous just smirks at him, then pulls out a phone-like device and a key.

"Gokai change!" With a dramatic pose, he puts the key into the device, turns it, and is instantly covered in a red body suit. The call got the creature's attention, and the way it turns to start approaching certainly doesn't dissuade him from the idea of it being aggressive, so he wastes no time in whipping out his pistol and goes to head off the creature, shooting as he goes.