Fantastic Four #15
1st appearance of Mad Thinker
1st appearance of Awesome Android
1st full appearance of Yancy Street Gang (Group)
"The Fantastic Four Battle the Mad Thinker and His Awesome Android"
1st appearance of Mad Thinker
1st appearance of Awesome Android
1st full appearance of Yancy Street Gang (Group)
"The Fantastic Four Battle the Mad Thinker and His Awesome Android"
