Complex sentence: The first two volumes were released in July (Venom and The Scientists) with possibly two more volumes released (The Kinks and Pop-O-Pies/Tales of Terror have been confirmed) in November.
Split into simpler sentences: The first two volumes were released in July (Venom and The Scientists). Two more volumes (The Kinks and Pop-O-Pies/Tales of Terror have been confirmed) were released in November.