Question: How many series in total derived from the collection that contains Hulk : Heart of the Atom ?

text: List of Hulk titles
Collected editions -- Hulk

The Hulk is a comic book superhero in the Marvel Comics Universe. Since 1962, he has starred in several ongoing series, as well as a large number of limited series, annuals, one-shots and specials. All stories are published exclusively by Marvel Comics under their standard imprint, unless otherwise noted.
Title Material collected Year ISBN
The Incredible Hulk Epic Collection Vol . 1 : Man or Monster ? The Incredible Hulk # 1-6 ; Fantastic Four # 12 , # 25-26 ; Avengers # 1-3 , # 5 ; Amazing Spider-Man # 14 ; Tales to Astonish # 59 ; Journey into Mystery # 112 2016 978-0785196006
The Incredible Hulk Epic Collection Vol . 2 : The Hulk Must Die Tales to Astonish # 60-96 ; material from Not Brand Echh # 3 2017 978-1302904456
The Incredible Hulk : Beauty and the Behemoth The Incredible Hulk # 1 , # 169 , # 319 , # 344 , # 372 , # 377 , # 466 1998 978-0785106593
Hulk : Heart of the Atom The Incredible Hulk # 140 , # 148 , # 156 , # 202-203 , # 205-207 , # 246-248 ; What If ? # 23 2008 978-0785130871
The Incredible Hulk : Pardoned The Incredible Hulk # 269-285 2012 978-0785162087
The Incredible Hulk : Regression The Incredible Hulk # 286-295 , part of # 296 , # 297-300 , The Incredible Hulk Annual # 12 2012 978-0785162599
Incredible Hulk : Crossroads The Incredible Hulk # 301-313 , The Incredible Hulk Annual # 13 , Alpha Flight # 29 2013 978-0785184485
Hulk Visionaries : John Byrne The Incredible Hulk # 314-319 , The Incredible Hulk Annual # 14 ; Marvel Fanfare # 29 2008 978-0785127055
The Incredible Hulk : Ground Zero The Incredible Hulk # 340-346 1991 978-0871357922
Hulk Visionaries : Peter David , Vol . 1 The Incredible Hulk # 331-339 2005 978-0785115410
Hulk Visionaries : Peter David , Vol . 2 The Incredible Hulk # 340-348 2005 978-0785118787
Hulk Visionaries : Peter David , Vol . 3 The Incredible Hulk # 349-354 ; Web of Spider-Man # 44 ; Fantastic Four # 320 2006 978-0785120957
Hulk Visionaries : Peter David , Vol . 4 The Incredible Hulk # 355-363 ; Marvel Comics Presents # 26 , # 45 2007 978-0785120964
Hulk Visionaries : Peter David , Vol . 5 The Incredible Hulk # 364-372 , The Incredible Hulk Annual # 16 2008 978-0785127574
Hulk Visionaries : Peter David , Vol . 6 The Incredible Hulk # 373-382 2009 978-0785137627
Hulk Visionaries : Peter David , Vol . 7 The Incredible Hulk # 383-389 , The Incredible Hulk Annual # 17 2010 978-0785144571
Hulk Visionaries : Peter David , Vol . 8 The Incredible Hulk # 390-396 , The Incredible Hulk Annual # 18 ; X-Factor # 76 2011 978-0785156031
The Incredible Hulk Epic Collection Vol . 19 : Ghosts of the Past The Incredible Hulk # 397-406 , The Incredible Hulk Annual # 18-19 ; material from Namor the Sub-Mariner Annual # 2 , Silver Surfer Annual # 5 , Dr . Strange , Sorcerer Supreme Annual # 2 , Marvel Holiday Special # 2 2015 978-0785192992
The Incredible Hulk Epic Collection Vol . 20 : Future Imperfect The Incredible Hulk # 407-419 , The Incredible Hulk Annual # 20 ; Hulk : Future Imperfect # 1-2 ; The Incredible Hulk Ashcan Edition ; material from Marvel Holiday Special # 3 2017 978-1302904708
The Incredible Hulk Epic Collection Vol . 21 : Fall of the Pantheon The Incredible Hulk # 420-435 , The Incredible Hulk vs. Venom # 1 ; Tales to Astonish # 1 2018 978-1302910242