Fifteen years after vanishing from the CIA to start a family, elite spies Matt and Emily jump back into the world of espionage when their cover is blown.

As the Avengers and their allies have continued to protect the world from threats too large for any one hero to handle, a new danger has emerged from the cosmic shadows: Thanos.

After the devastating events of Avengers: Infinity War, the universe is in ruins due to the efforts of the Mad Titan, Thanos.