Lois for sure pegs Supes. As she should. He lives a life where he's the strongest person in the room, no matter where he goes. He always has to be the big strong man with the weight and responsibility of the world on his shoulders. So, he likely has developed certain kinks as a result. A man with all that power and responsibility would almost certainly be submissive in bed as an escape mechanism. Hell, he probably has bondage gear laced with trace amounts of kryptonite or a red solar lamp so he can really feel it. Superman likes to get pegged, and I'm fucking here for it
This is at least in the art style of the Adult Swim show My Adventures with Superman so maybe its a Manga accompaniment? Sorry if this was obvious I just heard of this show yesterday.