So Mr Satan is mostly comic relief in the DB universe. However we also know that the main reason he's comic relief is that he's in a cast of characters that can rival gods. But as we know, he's still a legitimate martial artist in his own right and has won multiple world tournaments.
So how about if he was somewhere more....normal? Let's say we dump him in MCU New York. Where would he rank? Who would he decimate? Who would own him?
Same thing in the wider Marvel comics universe.