She can have a cape, of course. The important thing is that, if she does, it merely adds additional emphasis. Though even that is secondary to having further proof that NEEDS MOAR KANGAS because seriously, look how cool Perez made it look.
Thor, Herc, Clark and Dinah are all looking on in gleeful, deeply amused approval, and Plas is possibly making little heart-shapes over their heads. Tony, Carol, Clint and Zee are all looking on in envy. Who precisely is envious of whom, of course, I leave up to the readers to determine.