His clones didn't disperese because the clone he made (next to him) didn't ... and yes it was stated that Kabuto couldn't bring him back ...
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Read the bit with Danzo and Shisui ...
Madara doesn't have Pain's weapon with Jiraiay'a blood on it ... Madara just has his own 6 paths of Pain ... not their weapons ...
and also Kabuto offered Madara that he goes and get Jiraiaya's DNA but Madara said "Don't Push your luck" ... meaning that he doesn't want any more powerful ninjas at kabuto's disposal and also Kishi would never ruin a good and popular character like Jiraiaya ...