Former WWE Champion CM Punk engaged with fans on Tuesday through a Twitter Q&A session.

When one fan asked the possibility of headlining WrestleMania 37 against WWE Universal Champion Roman Reigns, Punk sarcastically said that a match with The Tribal Chief would be better off as the opening contest of the show.

“I’d do opening match. That show is 67 hours long,” tweeted Punk, taking a jab at the duration of WrestleMania in recent years. Earlier this year, WrestleMania 36 was held over two nights to pack in as many as 18 matches including two pre-show contests.

During the Q&A, Punk was also asked to name the one dream opponent he never got the opportunity to face during his WWE career.

“Snake Man Steve Austin,” answered Punk, a former five-time world champion in WWE.

Punk, who celebrated his 42nd birthday on Monday, also spoke about wanting to write his autobiography down the road.

Check out his tweets below:

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