What Bowser had planed to do with Tony and Margarito is to brainwash them and turn them into his greatest fighters. After their parents have defeated him many times before, and they had the same powers as they did.

Margarito was quite surprized, he did not expect this at all. "Well then, what are we waiting for. Get us out of here!" He said. He then started punching the bars, hoping to break them down.