Though both works. In the Earth One continuity, Lena was Lex's sister.

That is without question the most convoluted back-story I have ever read, and I'm counting underground comics in this. You are deeply strange, Last, and I am an expert on Strange. // I'll never get over the idea that Kryptonians had been to Earth before. Even if they didn't believe earthers were much better than bugs, would YOU send your criminals to a place where they would become the most powerful beings for many solar systems around?

Different but good.