In addition to the Clash of the Titans tour, Megadeth played with Judas Priest in North America late in 1990 and appeared at the second Rock in Rio festival in January 1991.
Osim što se pojavio na turneji Clash of the Titans, Megadeth je krajem 1990. u Sjevernoj Americi svirao s Judas Priestom te se u siječnju 1991. godine pojavio na drugom Rock in Rio festivalu.