Editing Lex Luthor (section)

===== ''Last Stand of New Krypton'' and ''War of the Supermen'' =====
{{Main|Superman: Last Stand of New Krypton|Superman: War of the Supermen}}
As part of his participation in Project 7734, Luthor sends a robot double of himself with Brainiac on a mission to attack New Krypton. While there, the Luthor robot tampers with the body chemistry of the previously captured villain [[Reactron]].<ref>''Supergirl'' (vol. 5) #52 (June 2010)</ref> Reactron then kills himself, initiating a chain reaction which destroys New Krypton and all but a handful of its 100,000 Kryptonian inhabitants. Supergirl's mother [[Alura (DC Comics)|Alura]] is among the casualties.<ref>{{Cite comic|Writer = [[James Robinson (comics)|Robinson, James]] and [[Sterling Gates|Gates, Sterling]]|Title = Superman: War of the Supermen|Volume =|Issue = #1|Date = May 2010|Publisher = DC Comics}}</ref> Since Earth is at war with New Krypton at the time, Luthor is praised for this action and receives a [[presidential pardon]] for all his past crimes.<ref>{{Cite comic|Writer = [[James Robinson (comics)|Robinson, James]] and [[Sterling Gates|Gates, Sterling]]|Title = Superman: War of the Supermen|Volume =|Issue = #3|Date = May 2010|Publisher = DC Comics}}</ref>