Adventures of Superman (1986-2006) #499
Part 5 of “Funeral for a Friend,†continued from SUPERMAN (1987) #76: Brooding over the death of his greatest obstruction, Superman, Lex Luthor becomes paranoid that Superman is pulling the same hoax on the world as Luthor did - faking his own death! Continued in ACTION COMICS (1938-2011) #686.