| Issue | #21 |
| Published | August 1970 |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Characters | Captain Marvel; Hulk |
| Genre | superhero |
| Pencils | Gil Kane (signed) |
| Inks | Dan Adkins (signed) |
| Reprinted | in Essential Hulk (Marvel, 1999 series) #3 |
| Characters | Captain Marvel [Mar-Vell]; Rick Jones; Hulk; Captain America |
| Synopsis | Bruce Banner tries to figure out a way to separate Marvel and Rick but the Hulk keeps interfering and Banner is unsuccessful. |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Gil Kane |
| Inks | Dan Adkins |
| Letters | Artie Simek |
| Reprinted | in Giant-Size Captain Marvel (Marvel, 1975 series) #1 (1975); in Essential Hulk (Marvel, 1999 series) #3; in Fantastici Quattro, I (Editoriale Corno, 1971 series) #48; in Marvel Masterworks: Captain Marvel (Marvel, 2005 series) #1; in Essential Captain Marvel (Marvel, 2008 series) #1 |