No way Just as we have different names God has different names as well as forms. Lord Rama worships Lord Shiva and Lord Shiva worships Lord Rama.Lord Rama has Said in Ramcharita Manas "the one who looks down on Lord Shiva can never be dear to me." It is in Puranas that once to fighting Vaishnavas and Shaivas Lord Shiva had become HariHar or half Narayana and Half SadaShiva.Lord Kali is the Shakti of Lord Shiva , When he is as Lord Narayana Kaali Ma assumes the form of Ma Lakshmi.