is this film a part of a film series?
Yes, the "Despicable Me" film series.
Despicable Me 2
 It is the second installment in the "Despicable Me" film series and the sequel to "Despicable Me" (2010). 
who does steve coogan play in despicable me Silas Ramsbottom. what is the genre of the film? A computer-animated comedy . what is the storyline? It is about tracking down a culprit who stole a potent mutagen. Lucy Wilde and Gru are recruited for this purpose by the AVL.
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Despicable Me 2 [SEP] Introduction
Despicable Me 2 is a 2013 American computer-animated comedy film produced by Illumination Entertainment for Universal Pictures and animated by Illumination Mac Guff. It is the second installment in the "Despicable Me" film series and the sequel to "Despicable Me" (2010). The film was directed by Pierre Coffin and Chris Renaud, and written by Cinco Paul and Ken Daurio. Steve Carell, Russell Brand, Miranda Cosgrove, Elsie Fisher, and Dana Gaier reprise their roles as Gru, Dr. Nefario, Margo, Agnes, and Edith, respectively. Kristen Wiig, who played Miss Hattie in the first film, voices agent Lucy Wilde, while Ken Jeong, who played the Talk Show Host, voices Floyd Eagle-san.