![]() |

| Marvel Super-Heroes #20 | ||
| Marvel Comics, 5/69 | ||
| Larry Lieber and Roy Thomas story | Doctor Doom story. Diablo appearance. | |
| Larry Lieber and Frank Giacoia art | 1st appearance of Valeria. | |
| Larry Lieber and Vince Colletta cover | Reprints Young Men #24 in it's entirety. | |
| Books | CGC Label | CGC Total | Avg. Grade | 10 | 9.9 | 9.8 | 9.6 | 9.4 | 9.2 | 9.0 | 8.5 | 8.0 | 7.5 | 7.0 | 6.5 | 6.0 | 5.5 | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 | 2.0 | 1.8 | 1.5 | 1.0 | 0.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 BOOK | Universal | 1,553 | 6.35 | 0 0.00% | 0 0.00% | 6 0.4% | 20 1.7% | 36 4.0% | 23 5.5% | 52 8.8% | 97 15.1% | 104 21.8% | 155 31.7% | 130 40.1% | 191 52% | 184 64% | 160 75% | 110 82% | 105 88% | 78 93% | 45 96% | 24 98% | 14 99% | 8 99% | 6 100% | 3 100% | 1 100% | 1 100% |
| 1 BOOK | Signature | 50 | 6.61 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 2 4.0% | 1 6.0% | 3 12.0% | 5 22.0% | 7 36.0% | 6 48.0% | 2 52% | 5 62% | 2 66% | 5 76% | 2 80% | 2 84% | 1 86% | 4 94% | 3 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 21 | 5.13 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 4.8% | 0 4.8% | 0 4.8% | 1 9.5% | 2 19.0% | 2 28.6% | 5 52% | 4 71% | 1 76% | 1 81% | 2 90% | 0 90% | 1 95% | 0 95% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 4 | 5.75 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Marvel Super-Heroes #20 (1969, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 6 9.8 | 1% 20 9.6 | 2% 36 9.4 | 1% 23 9.2 | 3% 52 9.0 | 6% 97 8.5 | 7% 104 8.0 | 10% 155 7.5 | 8% 130 7.0 | 12% 191 6.5 | 12% 184 6.0 | 10% 160 5.5 | 7% 110 5.0 | 7% 105 4.5 | 5% 78 4.0 | 3% 45 3.5 | 2% 24 3.0 | 1% 14 2.5 | 1% 8 2.0 | 0% 6 1.8 | 0% 3 1.5 | 0% 1 1.0 | 0% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||