Can't you use a separate multi-configurable build job to do this? You could have 1 axis as the wars to be deployed and 1 axis as the servers to be deployed to?!
Bob Kubista that is quite the workaround but I use different passwords for each container and I'm not comfortable putting these directly and readable into the job. Also the tomcat url field does not accept parameters.
Is there a solution in the meantime, or any plans on making a deploy to container step available in Jenkinsfiles?