The Avengers Vol. 1 (1963-1996) #333

Plot

Doctor Doom has taken control of Avengers headquarters! And the long-time foe of the Fantastic Four wants Thor and Sersi to give up the secrets of extra-dimensional travel…or he will blow up the building! While Dr. Doom pontificates on the main level; Captain America, Sandman, and the Vision battle Doombots in the sub-basement! During the Latverian monarch's ranting and raving, Rage wonders if this really is Dr. Doom or just another Doombot. The newest avenger decides to use a cupcake to test his theory! Could a common pastry spell defeat for Victor Von Doom? (mycomicshop.com)