"Brain-Child to the Dark Tower Came...!" #86
| Series | The Avengers |
| Number | Vol. 1 #86 |
| Publisher | Marvel Comics, Magazine Management Co., Inc. |
| Date | 1971-03 |
| Type | Comic Book, Softcover |
| Language | English |
| Cover Artist | John Buscema, Jim Mooney |
| Editor | Stan Lee |
| Inker | Jim Mooney |
| Letterer | Shelley Leferman* |
| Penciler | Sal Buscema |
| Writer | Roy Thomas |
| Genre | Superhero |
| Published in | New York |
| Pages | 32 |
| Characters | Black Panther (T'Challa), Iron Man (Tony Stark), Goliath (Clint Barton), Scarlet Witch, Quicksilver, Thor, Vision, Supporting Characters:, Nighthawk (Kyle Richmond)(Earth 712) |
| Story Location | Earth-616; Avengers Mansion, Earth-712 (Earth-S); Atomic City (First appearance), Brain-child's island |
| Links | https://marvel.wikia.com/wiki/Avengers_Vol_1_86 |
| Notes | Lein Wein was not credited in the original book but was named as co-plotter by Roy Thomas in the introduction of Marvel Masterworks: The Avengers # 9. |