Final Crisis: Legion of Three Worlds (2008-) #3

The Legion of Super-Heroes calls in reinforcements against Superboy-Prime and the Legion of Super-Villains as the Crisis of the 31st Century continues. While Superboy-Prime comes face to face with the last of the Green Lanterns, Brainiac 5 and XS attempt to ignite an electrical storm using the lightning rod, which is destined to turn the tide of the war.