"Squadron Supreme," "A-Force" Details, Hembeck Variants & More Marvel December Highlights

December will be a busy month for Marvel Comics, with the arrival of Gwenpool in the Marvel U, Mary Jane joining the cast of "Invincible Iron Man," new series for Hellcat, Red Wolf, Rocket Raccoon & Groot and more.

But beyond those previously announced events, the House of Ideas's just-released solicitations show that the publisher plans to close out 2015 with a bang. Here, CBR News rounds up the biggest returns, plot-twists and other happenings fans can look forward to as we prepare to head into 2016.

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