re: Supergirl vs Superman

quote:

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Red Lantern Supergirl destroyed THREE Worldkillers (Doomsday-level villains) and is the only being in DC canon to ever remove a red power ring without dying.

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If you want to include other versions, then there is literally a Superman that is God, as in he literally is the God of the entire DCU and is omnipotent and omniscient.

There is also Superman Prime, aka current Superman 83,000 years into the future who has been absorbing sunlight in the Core of the Sun and has 5th dimensional Imp powers. He's more powerful than every other Superman except for the above.

Then Pre-Crisis Superman who did things like pull a galaxy's worth of planets with a chain and blow out distant solar systems with a sneeze and fly at quadrillions of times light speed such that he was going to destroy the universe.

There are many other canon versions that are so far above anything else in the DCU that's it's simply ridiculous.