Adventure Comics 300

Adventure Comics #300 Preboot » Pre-Crisis Cover by Curt Swan, George Klein and Ira Schnapp Story title The Face Behind the Lead Mask Previous story Superboy v1 #98:The Boy With Ultra-Powers Next story Adventure Comics #301:The Secret Origin of Bouncing Boy Cover date September 1962 Creators Writer(s) Mort Weisinger and Unknown Penciller(s) George Papp Inker(s) George Papp Letterer(s) Joe Letterese Colourist(s) Unknown Editor(s) Mort Weisinger Cover artist(s) Curt Swan, George Klein, Ira Schnapp

Notes

First appearances

This issue marks the first appearance of the following characters and recurring key Legion story elements:

Other stories in this issue

There is an additional story that does not feature the Legion - "The Good Deeds of Bizarro-Luthor"

Reprints

This Legion story has been reprinted in the following:

• Action Comics #377
• Adventure Comics #497
• Legion of Super-Heroes Archives Vol. 1