Based on what Rasmussen said during the stream, it seems Power-Up will be one of the core mechanics of Marvel Super Heroes
Jobs come in the form of special equipment artifacts with the 'Job Selected' mechanic, which will create a 1/1 hero token when the card is played, with the equipment automatically equipping to the token
It may be expanded later with FAQ sections and the full official rules, as well as card corrections and errata.
Since she's able to travel the halls more freely than survivors, she helps carry messages and supplies between multiple groups, giving each a better chance at obtaining the resources they need to survive
And, without some substitutions, the starter deck can't stand alone against competitive custom decks either
You can't look at them beforehand though, so you've really got to use your finely-honed instincts to find the card you need