Exiled to the Isle of Silence, Loki, Norse God of Evil, ponders how he can humiliate his hated brother Thor. The opportunity comes when he spies the Hulk in the Nevada desert. He sends an illusionary monster to taunt the Hulk, driving the green giant into a rage and maneuvering him into smashing railroad tracks just ahead of an oncoming train. Hulk saves the train by supporting the broken rails but all the witnesses on the train report the Hulk as on a rampage….
Hearing the news, Rick Jones and his pals (a real street gang), track the Hulk and email the Fantastic Four for help. Loki diverts the message so that it arrives, coded in the Viking language, at the office of Dr. Don Blake. Don excuses himself and heads to the roof where he transforms into Thor unseen. But the message also interrupts a tech demonstration by Tony Stark who decides to investigate as Iron Man. The email reaches a third unexpected recipient: Hank "Ant-Man" Pym, who joins the Wasp in tracing it to its source. Thus, Thor and Iron Man crash into the boys’ hideout, while the tinier heroes make a less spectacular entrance. The boys draw their guns….