Bellingham was upset with the performance of Zwayer during the game.
After Zwayer turned down their appeals for a penalty kick, they were awarded one by the referee.
In front of a restricted attendance at Signal Iduna Park, Robert Lewandowski scored the winner against his old club.
Bellingham told ViaPlay that he didn't expect a referee to fix the biggest game in Germany.
Please use a browser that has accessibility features.
There were highlights of the match between the two teams.
It wasn't a penalty for me. ummels is fighting to get the ball and it hits him.
You can look at the decisions in the game.
The German FA banned Zwayer for six months in 2005 after he was found guilty of match- fixing, but he was heavily criticized by the hosts.
The players surround Zwayer during Saturday's heated encounter.
Marco Rose was sent to the stands for complaining about the penalty award after the VAR review in the 77th minute.
Zwayer told Sky Germany that the situation was a standard corner kick.
It's about a touch by Hummels. I was wondering if the arm was stretched away from the body. It wasn't clear if his arm was moved towards the ball.
The arm position was checked by VAR officials in Cologne.
Hummels had his arm away from the body in an unnatural position according to the video assistant.
I came to the decision that it was a penalty after he hit the ball with his elbow.
Marco Reus went down in the box but no penalty was given.
Marco Reus went down in the box in the second half but there was no VAR referral.
Even at high speed, contact can happen in the upper body area.
I decided against the penalty because of my line of sight.
There were no fans for the game.
The governor of the German state of Bavaria announced on Friday that no fans will be allowed in the stadium for next week's game.
The maximum attendance limit is 15,000, but individual states can set their own rules if they so choose.
Barcelona will be eliminated from the competition if they fail to win and Benfica beats the Ukrainian team.
Sky Sports will show the game.
Sky Sports won exclusive rights to broadcast the next four seasons of the Bundesliga in the UK and Ireland.
Football fans in the UK and the Republic of Ireland will be able to watch the likes of Erling Haaland, Jude Bellingham and Robert Lewandowski on Sky Sports.
Sky Sports will show the premium fixture of each weekend at 5.30pm on Saturdays, with further matches broadcasted via Sky Sports' linear or digital channels.
