I think my favorite superhero is a character that is not found in the mainstream. Many, many years ago I read a comic book from a sort of, underground, alternative label. This comic featured a character which I still regard, to this day, as one of the most fascinating figures I have ever come across in comic books.
This character's name is: Saint Sinner. He is a teenager possessed by BOTH a demon and an angel, that is, simultaneously! As a result of this duel and paradoxical possession, the kid, the Saint Sinner has duel and paradoxical powers.
First and least interestingly, he has a special trench coat, with which he can transport himself to different dimensions.
Second and more interesting is that he has the power of both evolution and devolution. That is, he can take any living life-form and evolve, advance it to whatever level of "advancement" he wishes. Or, he can that same life-form and devolve or "regress" it to earlier stages of development.
Here is the really interesting part. The angel, naturally, gives the lad the power to evolve life-forms; and the demon gives him the power of regression or devolution. Well, once the Saint Sinner used his supposedly "demonic" power of devolution to cure a young boy of cancer.
Obviously, SS did not do this by regressing the boy to an earlier stage of the species. No, he used his devolution power to coax the boy's body back to an "earlier" state of being, the boy's earlier. In a sense, he sent the boy's internal bodily system, sort of, back in time, if that makes sense---younger not earlier.
In still other words, he, sort of, time-traveled the boy's interior to a time before the boy developed cancer. He made the boy internally younger. For example, suppose you had a seventy-year-old man with lung disease from a lifetime of smoking.
What the Saint Sinner would do to "cure" this man would be to fix it so that the man had the "lungs of a thirty-year-old," so to speak. The man would not look any younger on the outside, but he would be "cured" of his lung disease because that internal organ had been set back to a time when it was thirty-years-old, decades before the accumulation of all the tar from smoking.
Does that make sense?