What do I need to do other than creating two-way application link between Confluence and JIRA to see the wiki link within JIRA ?
What do you mean by Wiki link in Jira? You mean the project Wiki url?
Perhaps review the various documentation here - and you will find many answers to everything related to your question
http://confluence.atlassian.com/display/DOC/Integrating+JIRA+and+Confluence
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