when was the first superhero comic released

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the first superhero comic released	1.97	1	2512	37	43
when	0.05	0.1	266	48	4
was	0.44	0.2	269	16	3
the	1.61	0.1	8491	21	3
first	0.99	1	7979	23	5
superhero	1.63	0.7	1119	14	9
comic	1.28	0.2	4158	67	5
released	0.41	0.9	4806	14	8

Keyword	CPC	PCC	Volume	Score
when was the first superhero comic released	1.24	0.7	1119	2
what was the first superhero comic	0.74	0.9	6374	52
what was the first superhero comic created	1.9	0.7	2268	89
what was the first superhero comic series	1.11	0.5	5375	9
what was the first comic book superhero	1.8	1	6101	70
who was the first comic superhero	1.37	0.6	841	47
what was the first superhero comic movie	0.81	0.2	5814	52
the first superhero comic book	0.24	1	5008	57
first superhero comic book ever made	1.82	0.4	8862	22
when was the first superhero made	0.33	0.7	4994	99
when did superhero comics start	0.97	0.6	1984	87
what was the first superhero comic character	1.9	0.6	3464	32
what was the first superhero comic strip	1.68	0.5	5998	79
what was the first superhero comic adaptation	0.34	0.6	8600	100
when did superhero come out	1.42	0.8	4198	80
history of superhero comics	1.68	0.5	5575	5