"Dr. Banner?"
Leo knocked on the door.
"Leo? Come in."
Banner's voice came from inside the room.
Leo pushed the door open and walked in. The door, which normally couldn't be opened, swung open easily with its owner's permission.
Dr. Banner had the largest room among all the guest rooms. Since Banner had been living here ever since the Battle of New York, the Hulk's reputation had spread throughout the world, and Banner had never known another day of peace.
So Banner had stayed at Avengers Tower all this time. Not only did he help Stark with his scientific research, but he also used the opportunity to strengthen his control over the Hulk. Besides, this place had all the research materials Banner could possibly want.
Stark also had more than enough money for Dr. Banner to spend and use. Compared to the days when he had worked as a barefoot doctor in that small town, this was incomparably better.
Banner was naturally willing to stay here. It gave him a rare sense of peace and quiet.
And in the entire world, this was probably the only place capable of restraining the Hulk and preventing him from killing innocent civilians when he lost control.
The birth of Veronica was proof enough of that.
Sure enough, Leo walked inside. The enormous living room had been converted into a study. A massive workbench stood directly ahead, while books and notes of all kinds filled the surrounding area. Notebooks covered the desk, filled with formulas and research data.
Although the room looked somewhat cluttered, it wasn't dirty or disorderly. Everything was exceptionally clean, which suited Dr. Banner's personality perfectly.
The computer on the desk was covered in strange formulas and diagrams. It also displayed the component structures of the Iron Man Armor.
Banner turned