Martian Manhunter vs Vision

MM comes out of a portal in Avengers Mansion. Vision attacks MM right after he sees him. MM doesn't try to explain who he is or why he's there.

Martian Manhunter isn't holding back.
Vision isn't holding back.

Who wins?

j'onn........vision is martian manhunter-lite

Vision has no advantages over J'onn.

yeah... not vision.