Italy without Mussolini

Assuming Mussolini is killed during WWI, what would happen to Italy in coming years?

Could something akin to Fascism arise without Mussolini? Would there be a socialist takeover? What would foriegn affairs be like?

Please discuss.
 
Mussolini only came to power because of the trouble in Italy with governments falling and general instability. I think two things could of happened without Mussolini. 1. The Socialists take over permanently and establish a Socialist nation in a power sharing agreement with the military like Ebert-Groener pact did in Germany. Or 2. Have the military rule with the support of the King and have a military influenced Right wing administration just not with the ideology of Fascism.
 
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