Talk:Fusion/@comment-67.220.46.100-20140207122138/@comment-92.234.111.208-20140214162205

Short answer: Yes.

Power levels updrade the power in different ways (depending on the power you are leveling up). The upgrades are shown when hovoring your curser over the power mod.

For example, Loki's Invisibility, upgrading this will increase the time you get while invisible.