Incredible Hulk #172 Feb 1974
And Canst Thou Slay... the Juggernaut?
Hulk has been captured and put in a holding cell at Hulkbuster base;
As he is quickly dismantling the walls of his prison, Armbruster calls on Peter Corbeau who brings a ray to teleport the Hulk to another dimension;
Hulk is blasted away but the Hulkbusters find themselves facing the Juggernaut in his place;
When they try to use the ray again, the Hulk returns as well
and the two powerhouses quickly bust out and get away;
Hulk quickly finds he does not like his new ally and the two battle;
The X-Men show up to capture Juggernaut but allow the Hulk to escape.
Appearances by the X-Men (Professor X, Cyclops, and Marvel Girl in a crossover with Avengers 111), plus cameos by Doctor Strange, the Angel, the Beast, and Iceman.
Script by Steve Englehart (plot) and Tony Isabella (script),
pencils by Herb Trimpe,
inks by Jack Abel