First appearance of Yellowjacket.
"Stings & Sorrows!" Script by Roger Stern. Art by John Buscema (breakdowns) and Tom Palmer (finishes). Cover by John Buscema and Tom Palmer. A new super-villainess steals Hank Pym's old Yellowjacket costume from Avengers Mansion! And then quickly moves on to her next target… Dr. Pym's former research lab at Janet Van Dyne's estate! However, when Rita DeMara is confronted by the lady of the house, wasp stings and disruptor blasts fill the air! The winsome Wasp is none too pleased about someone else donning her ex-husband's costume and breaking into her home! The rookie Yellowjacket vs. the veteran Wasp! Who will win the battle of the flying insects? First appearance of Rita DeMara (aka the second Yellowjacket). Cameo appearances by Mr. Fantastic, the Invisible Woman, Franklin Richards, and the Beyonder. Flashback cameo by Doctor Strange. First 75¢ issue. Cover price $0.75.