The Operators - The Door Into Chaos - The Operators, #2

The Department of SuperHuman Activities observes and polices the superpowered community in the United States. Through cooperation and open dialogue, the DSHA ensures the safety of superhumans and the public in general. Only during emergencies that regular law enforcement aren't equipped or trained to handle do they send in their emergency response team, the Operators. Led by Major Peter Hicks, the Hunter, and composed of superhumans from all over America, the Operators handle threats that others can't.
Someone is attacking Operators with a connection to magic. Peter Hicks, the Hunter, is sent to New York to investigate a murder while Sonia Garcia-Willis, Talon, goes to Los Angeles to look into a kidnapping. Separately, they are drawn into a conspiracy to open a door into a realm of magic, bringing unbridled chaos into the mundane world. As a war between magical factions breaks out, the Operators.
old, new, and ancient, come together to stop a mysterious force that could wipe out our world and kill millions. Time to get to work!