X-Men vs. Avengers #3 (1987)

The Soviets Strike Back!
The X-Men flee to Singapore and book passage on an international cruiser, but are pursued by both the Avengers and the Soviet Super Soldiers. Crimson Dynamo crosses the line and sinks that vessel to bring Magneto to justice, forcing all three teams to work together to save lives. In the confusion, Magneto escapes with the technology from Asteroid M that he believes is the key to effectively eliminating prejudiced thoughts from every living human.
Release Date: 1987