Batman vs The Avengers

Batman is a fan of marvel so he has read all the comics on Thor, Hulk, Iron Man, Cap'n America, Hawkeyes and Black Widow. One day he was magically teleported into the Marvel universe and SHIELD has put a bounty on him. Batman has 1 week prep. Don't forget, he knows what they are capable of because he read their comics.

Win by KO or Captured.

The Avengers Stomp.

He gets one shotted by Hulk, Thor or Iron Man

Comic Batman in the MCU?

Or Comic Batman in the normal Marvel 616?

Batman with all his resources could probably take the former, but definitely not the latter.