Superman #15 Variant Edition Yotv

At last, it's the return of the Legion of Super-Heroes! The greatest super heroes of the 32nd century have traveled back in time not just to meet the heroes who inspired them, but to make an offer but to which hero? And why will that choice tear Superman's life apart? Plus, the fallout from Lex Luthor's conversation with Lois Lane escalates! What dark secret did Lex tell Lois?