| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| superman debut action comics 1938 | 0.93 | 0.5 | 9480 | 49 |
| superman debut action comics history | 1.65 | 0.8 | 8198 | 28 |
| superman debut action comics | 1.62 | 0.9 | 4346 | 76 |
| superman made their comic debut in 1938 | 0.65 | 0.6 | 9407 | 62 |
| superman debut action comics wiki | 0.37 | 0.8 | 2980 | 92 |
| first superman comic 1938 | 1.32 | 0.4 | 4256 | 45 |
| superman 1938 comic book | 0.34 | 0.7 | 3220 | 36 |
| first superman comic book 1938 | 1.9 | 0.5 | 3223 | 60 |
| action comics first superman | 1.95 | 0.5 | 3092 | 94 |
| superman debut action comics reprint | 0.48 | 0.9 | 3708 | 90 |
| superman debut action comics price | 0.97 | 0.6 | 4963 | 64 |
| superman debut action comics auction | 0.92 | 0.3 | 3495 | 100 |
| june 1938 superman comic | 1.49 | 0.4 | 2910 | 75 |
| what year did superman appear in comics | 1.34 | 0.2 | 6588 | 1 |
| superman in comics history | 0.12 | 0.2 | 3519 | 63 |
| superman first appearance in comics | 1.52 | 0.7 | 1788 | 67 |
| superman the animated comics | 1 | 0.8 | 6816 | 71 |
| the first superman comic | 0.1 | 0.5 | 7207 | 84 |
| superman #1 comic 1939 | 1.21 | 0.9 | 711 | 37 |
| first superman comic strip | 1.33 | 0.7 | 4249 | 65 |
| first appearance of superman comic | 0.76 | 0.3 | 5270 | 50 |
| in which comic did superman first appear | 1.93 | 0.7 | 5451 | 97 |
