Chronology/Preboot/Pre-Crisis/Pre-Adventure 300

Proliferation of cameos

• Adventure Comics 287 1st Dev-Em
• Adventure Comics 288 Dev-Em
• Adventure Comics 289 Legion statues
• Action Comics 283 Chameleon Men from Legion of Super-Outlaws
• Superman v1 149 Legionnaires cameo
• Superboy v1 093 Chameleon Boy
• Action Comics 284 Mon-El
• Action Comics 285 Legion cameo
• Action Comics 286 Legion of Super-Villains
• Action Comics 288 Mon-El
• Action Comics 290
• Superboy v1 100 Legion cameo
• Superman v1 156 Legion cameo

Putting it all together

Legion Appearances through Adventure 300

Publication Order	Regular Chronology	Cameo Appearances	Adult Chronology
	Superboy v1 147
	Action Comics 267
	Adventure Comics 282
	Action Comics 276
04/58 - Adventure Comics 247	Adventure Comics 247
12/59 - Adventure Comics 267	Adventure Comics 267
08/60 - Action Comics 267
01/61 - Superboy v1 086	Superboy v1 086
03/61 - Adventure Comics 282
05/61 - Action Comics 276
06/61 - Superboy v1 089	Superboy v1 089
08/61 - Superman v1 147			Superman v1 147
08/61 - Adventure Comics 287		Adventure Comics 287 1st Dev-Em
09/61 - Adventure Comics 288		Adventure Comics 288 Dev-Em
10/61 - Adventure Comics 289		Adventure Comics 289 Legion statues
11/61 - Adventure Comics 290	Adventure Comics 290
11/61 - Superboy v1 093		Superboy v1 093 Chameleon Boy
1961 - Superman Annual v1 4		Superman Annual v1 4 Text only
01/62 - Action Comics 284		Action Comics 284 Mon-El
02/62 - Action Comics 285		Action Comics 285 Legion cameo
02/62 - Adventure Comics 293	Adventure Comics 293
04/62 - Superman v1 152	Superman v1 152
04/62 - Action Comics 287	Action Comics 287
06/62 - Action Comics 289			Action Comics 289
07/62 - Superboy v1 098	Superboy v1 098
02/62 - Action Comics 290		Action Comics 290 Legion cameo
08/62 - Superman v1 155			Superman v1 155
09/62 - Adventure Comics 300	Adventure Comics 300
09/62 - Superboy v1 100		Superboy v1 100 Legion cameo
09/62 - Superman v1 156		Superman v1 156 Legion cameo