The Time Master never appears again, Ant-Man still operates in "Center City".
Text story with illustration.
This is a retelling of "The Rookie" from Marvel Tales (Marvel, 1949 series) #131 (February 1955). The idea of radiation granting super-powers to unborn children was a major part of early X-Men stories.
Per Cory Sedlmeier on the Marvel Masterworks Message Board, "TTA #43's 'My Fatal Mistake!' doesn't have a job number listed, but a little research makes me feel comfortable saying that it was probably V-818."