Warlock Chronicles #6 (1994)

Blood and Thunder - Part 3: Aftermath!
Blood and Thunder: Part 3 of 13 Adam Warlock discovers Thor's gone insane! Adam also finds out what the deal is with the Valkyrie who's been controlling Thor. Then, he and Pip set out to do battle with the Mad God. This crossover gets hotter as some of the biggest cosmic heroes get together to battle one another!
Release Date: 1994