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The series became a twice-monthly title with Dan Slott as sole writer at issue No. 648 ( Jan. 2011 ) , launching the " Big Time " storyline .
 Dan Slott, Big Time
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Dan Slott, Big Time