There have been three main publishers of the comic book series bearing the name Transformers based on the toy lines of the same name. The first series was produced by Marvel Comics from 1984 to 1991, which ran for 80 issues and produced four spin-off miniseries. This was followed by a second volume titled Transformers: Generation 2, which ran for 12 issues starting in 1993. The second major series was produced by Dreamwave Productions from 2002 to 2004 with multiple limited series as well, and within multiple story continuities, until the company became bankrupt in 2005. The third and fourth series have been published by IDW Publishing with the third series starting with an issue #0 in October 2005 and a regular series starting in January 2006 to November 2018. The fourth series started in March 2019 with issue #1 and is currently still being produced. There are also several limited series being produced by IDW as well.