He was at work in the sattalight before he saw the broadcast and brand alerting everything and every agent to the case. his Avengers card was even alerted. He could see objects over the earth emitting smoke into the atmosphere and a few of the metal objects crashing into the ocean.
He typed the torjectory and the data...they were going to Atlantis! He made his way to the air lock and shot out of the large station and made his way to the same spot where they crashed. He was getting through reentry Turing into a fireball crashing into the water.
Flying through the oceean toward the city where a battle was taking place with Namora at the head, Mar-vell went right into the thick of it. He took the neck of one creature and threw him away from her. He placed a small dial on her temple. Don't worry it offers us telepathic contact while under water! are you ok? he asked her swimming closer to her. Atlantis first then anywhere else that needed his help