This is the only time Jim Cummings provides the voice of Shocker in the "Six Forgotten Warriors" five-parter. Cummings also provides the voice of Greitzig's son-in-law in this episode.
In the flashback, Richard & Mary Parker's faces aren't seen.
This episode loosely based on "The Amazing Spider-Man (Vol. 1) Annual #5, when Peter Parker travels abroad to find out the truth about his parents Richard & Mary Parker only to encounter the Red Skull and "The Amazing Spider-Man" (Vol. 1) #338, when Spider-Man fights all the members of the newly reformed Sinister Six together for the first time.
Silver Sable's team is referred to as the Wild Pack for the first time. In the previous episode the name of he team was not addressed.
When Silver Sable captures Spider-Man, The Insidious Six, and The Kingpin, she reveals to the Kingpin that there's a traitor among the Insidious Six and that she's working with him.