Cover Date: December 1969
Writers: Roy Thomas
Art: Sal Buscema
Featured Characters: Avengers [Black Panther [T'Challa]; Vision; Yellowjacket [Henry Pym]]; Invaders [Captain America [Steve Rogers]; Human Torch [Jim Hammond]; Sub-Mariner [Namor]]
- Black Knight joins the Avengers
- First unofficial team appearance of the Invaders: Captain America, Human Torch and Sub-Mariner
