Superman vs Mario

Pre-Fight
(Location: Mushroom Kingdom)

Superman was flying to the Mushroom Kingdom to find Bowser, he lands on the ground and saw Peach's Castle, where he thinks Bowser might be...

Superman prepared his Heat Vision, trying to melt down Peach's Castle, which was the wrong castle until Mario walked out and saw Superman, assuming that he was an enemy.

Mario: Oh no, he must be a new enemy!

Superman: What are you talking about?

Mario: I'm talking about that you are a new enemy!

Mario equipped a Fire Flower, and forcing Superman to fight.

Fight
Mario started to throw multiple fireballs at Superman, who is unaffected. Superman flies into Mario and trips him, which the plumber got up and hit Superman with a Super Jump Punch, launching the superhero into the sky and back into the fields. Mario jumped and Superman uses his Freeze Breath, freezing Mario and then makes him feel cold, Mario broke free and attempted a Ground Pound, now landing on Superman's chest. Mario picks himself up and pulls out his Hammer, the plumber hits Superman with his hammer and then strikes the Man of Steel down below. Superman picks up Mario's leg and flew up, dropping him down to the ground. Mario ran towards Superman and uppercutted the Kryptonian.

With Mario's actions, which he grabbed the superhero's cape and spun Superman around, now throwing him.

Mario:  So long-a, gay alien!

which he shouted, Superman fired his Heat Vision at Mario, but the plumber reflected it with his cape. Superman gave Mario 5 heavy punched and the plumber collided with Superman and his punches, punching back. Mario notices Cappy, he threw Cappy on Superman's head and started to possess the Man of Steel, which took a few seconds to do. Mario then opens his eyes and saw himself as Superman, controlling his mind. Mario slightly flew around as Superman and dropped his body into a Cheep Cheep lake.

Superman woke up and flew to Mario, the plumber had equipped a Vanish Cap and disappeared. Superman saw Mario gone, not knowing where he had gone to. Superman uses his X-Ray Vision and spotted Mario, he dropped down a kick at the plumber and Mario screamed. Superman charges at Mario, but he grabbed the Man of Steel's arm and threw him down, bringing down another Ground Pound, now on Superman's head.

Mario equipped a Mega Mushroom to make himself a giant. Superman's Super Speed had flown around Mario, which the plumber had struck the Man of Steel down and Superman was using his Freeze Breath on Mario, who had no effect. Mario got ready to step on Superman, but his Mega Mushroom had wore off. Superman picks up Mario and flew right into space. Mario looked around space and landed on the Comet Observatory. Mario activated his flight Power Up, the Red Star. He made his way to fly to Superman, who was absorbing the suns energy.

Mario had survived being in the core of a star, but Superman was ready and went to deliver the Infinite Massive Punch to Mario's face, nearby Lumas helped Mario giving him extra power, Superman was close, but Mario reflected it with a Star Spin.

Both landed back on earth, Mario ran away from Superman and he charged at the plumber again. Mario equipped a Golden Flower, as Gold Mario walked towards Superman, who fires heat vision at Mario who leaped away and threw a Gold Fireball at Superman, turning him into a coin.

Conclusion
Mario: Wahoo! I'm the winner!

Mario cheered out. Mario then collets the coin and walks away.