It's once again time for First Strike, where we recount our favorite heroes' first encounters with their most nefarious foes! This week's entry is an ancient grudge match between Thor, the God of Thunder, and his most devious, relentless foe - the sinister Loki!
Journey Into Mystery #85 isn't the most impressive debut for an arch-villain, but everyone has to start somewhere. It's been reprinted in Marvel Masterworks and Epic Collections, so getting a hold of it shouldn't be too hard. And be prepared to never think of pigeons the same way again.