Jenkins has a very rich catalog of plugins and it's quite easy to install and update them via UI. BTW, when you want to add tons of plugin via UI, it's a fairly long and boring procedure.
Hopefully, mass installation (or update) could be easy using a simple bash script (curl/python required) :
- https://raw.githubusercontent.com/hgomez/devops-incubator/master/forge-tricks/batch-install-jenkins-plugins.sh
Create a file containing plugins to be installed (or updated), ie iplugins :