Luke had already given everyone a heads-up about Wade's character.
He had to be even more blunt with the tycoon, in case he thought that this lunatic was deliberately provoking him.
Wade: "Boss 2, do you have…"
Suddenly, he turned around, drew two huge pistols from his legs, and blew up two Chitauri fliers charging at him from behind.
Then, he turned around and asked, "…Do you have to jump off a building if you're unhappy?"
Tony rolled his eyes and jumped. Flames burst out of his feet as he casually destroyed two fleeing fliers with two shots before he left.
Wade immediately followed him. "Hey, boss 2, wait up."
Tony decisively sped up, using his actions to indicate that he hadn't heard the lunatic, and shot straight into the sky.
How could he reply and say that someone had thrown him out?
…