The World Painted Blood Tour was a concert tour by Slayer. Gary Holt of Exodus was announced as guitarist Jeff Hanneman's temporary replacement on March 13, to April 4, 2011, and joined again on April 23, 2011. The European Carnage Tour was co-headlined with Megadeth. This was the first time in 21 years since the Clash of the Titans tour in Europe with Testament and Suicidal Tendencies that Slayer and Megadeth had toured the continent together.