Walt heard Aquaman and Green Arrow's voices over his Justice League communicator, and he spoke into his "Shifter is on the scene and ready for action. Did you say you needed a bird Green Arrow? I can change into one, which bird where you thinking of?"

He came to the area with the giant robot and Walt looked on in awe at the machine and saw Superman battling the robot. He was tempted to just go in and start fighting, but he had to wait for Green Arrow's response and go through with a plan in order to not turn the fight into complete chaos and cause incredible amounts of destruction to Metropolis. Now that he had took time to catch his breath with his jog, Walt was ready to get into the fight.