Some people may be overestimating Supes' speed and endurance. He cannot compete against Runner on these alone.
But some people are way underestimating his intellect.
He can calculate plans on the fly and is a genius when it comes to mathematics and science.
In a comic scenario, I see Runner teasing Superman, hitting him with invisible punches, whilst Superman starts to work out a pattern in his attacks.
Then after one punch too many, Runners hand gets caught and Supes promptly heatvisions him full on in the eyws.
It wouldn't happen on this board, but you KNOW it'd happen if they did a cross-over, lol.
🙂
And Whirly - you da man! 😎