You could always check this website for upcoming appearances of any superhero or villain,transformers,g.i.joe,tv shows,movies, etc..
I do it for blue marvel my top favorite superhero now and for others.
Comicbookdb.com
Hercules (Marvel) - Chronological Listing
December 2012:
Michael Wm. Kaluta Sketchbook Series (2012) OGN SC vol. 03 - 'Volume Three'
January 2013:
Fantastic Four (2013) #1 - 'Unstable'
June 2013:
Wolverine & The X-Men (2011) #27 AU - 'Age Of Ultron: Road Trip'
November 2013:
Fearless Defenders (2013) #9
May 2014:
Marvel Knights: Hulk (2014) #4 - 'Transform Four of Four'
The Superior Foes of Spider-Man (2013) #10
June 2014:
Deadpool (2013) #27 - 'The Wedding of Deadpool'
Hercules (Marvel) - Chronological Listing
http://comicbookdb.com/character_chron.php?ID=157
Hercules
http://comicbookdb.com/character.php?ID=157
http://comicbookdb.com/search.php?fo...type=Character
Comicvine.com is another one to keep updated but comicbookdb is easier to do the research or look up stuff like that.