Daring Droid: Tips for Success in the #SWGoH R2-D2 Event

yes (December 2015 player) you will need almost definitely need a full squad of 7* toons to get him to 7*. Palpatine was able to be auto'd if you had good enough toons and mods, yoda was super super hard the first time, and when people complained they nerfed him, so my assumption would be if you can meet the star requirements you should be able to handle this without too much of an issue if you have palp or zader leader abilities ready to go.