Amazing Spider-Man Vol.1 #81
Aunt May decides Peter is sick and puts him to bed; The Kangaroo escapes Feds who seek to deport him, then steals what he thinks is money but is actually a vial of deadly bacteria; Peter sneaks out to catch the Kangaroo and get the vial back; He succeeds, but Aunt May collapses when she finds the web dummy Peter left in his bed; Now Peter feels more guilt than ever.
Printed: Feb 1970
Writers: Stan Lee and John Romita Sr.
Art: John Buscema and Jim Mooney
Cover: John Romita Sr.