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IDW Sonic the Hedgehog Comic Books
When Archie Comics either lost or gave up the Sonic license in 2017, IDW picked it up.
The IDW Sonic comic started in 2018. It's a successful enough publisher of books on 'already created' franchises like My Little Pony, which seems to satisfy the fans well enough. (so, ok track record) The problem seems to be finding individual issues for sale as comic book stores are uncommon in 2019 and beyond.
IDW Sonic comic cover image This is the first known image IDW has let out for their Sonic comic.
It's a promotional cover of some kind, with full color sliding Sonic & lower toned art for background Tails, Knuckles & Amy. The image was discovered in fall 2017, so, pretty well ahead of 2018 when they plan to start the book.
The art is fine, it's not trying to duplicate any particular style such as Archie that came before it, or use CG tricks to try and clone Sega stuff. Featuring Sonic, but having other characters present & 'ready for action' is also a great sign that the fans will get enough focus on their favorite characters. *Of course, the book can be anything at all once it's released, but this particular sample cover illustrates some good decisions. Discovered by Taaron
IDW 30th Anniversary Sonic Comic Book For the 30th Anniversary of Sonic in 2021, IDW produces this...item.
Supposedly it's a soft-cover comic book of some sort with classic style characters on classic stories but...upon announcement any store only has it as one of those kindle/e-reader nonsense downloadable "virtual items" and has no blurb for what it is about.

*E-reading beware:
You don't own virtual items. Collecing up bunches of data that companies call 'materials' for yourself only works so long as company lets you have it. Paid for it? They don't care, they'll take it all back or erase it if your device quits or they go out of business. Own your own things, get what you pay for and create physical media.