Adventure Comics 307

Adventure Comics #307 Preboot » Pre-Crisis Cover by Curt Swan, George Klein and Ira Schnapp Story title The Secret Power of the Mystery Super-Hero Previous story Adventure Comics #306:The Legion of Substitute Heroes Next story Adventure Comics #308:The Return of Lightning Lad Publication date February 28, 1963 Cover date April 1963 Creators Writer(s) Edmond Hamilton and Mort Weisinger Penciller(s) John Forte Inker(s) John Forte Letterer(s) Joe Letterese Colourist(s) Unknown Editor(s) Mort Weisinger Cover artist(s) Curt Swan, George Klein and Ira Schnapp

Roll Call

In order of appearance:

Notes

First appearances

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

Reboot Reference Kit

Post-Crisis	xxx
Glorithverse	xxx
Post-Zero Hour	xxx
Post-Infinite Crisis	xxx
DCAU	xxx
LSH cartoon	xxx

Other stories in this issue

There is an additional story that does not feature the Legion - "The Confession of Superboy"

Reprints

This Legion story has been reprinted in the following:

• 

  Adventure Comics #500 (June 1983)

• 

  Legion of Super-Heroes Archives Volume 2 (1992)

• 

  Showcase Presents Legion of Super-Heroes Vol. 1 (2007)

See also

• Legion Publication History - Other issues published 1950-1964
• Legion Publication History - Other issues of Adventure Comics
• Pre-Crisis Chronology
• Quick index of links to other Adventure Comics issues