History
Brock Rumlow was a Hydra Agent working undercover in S.H.I.E.L.D., he and S.T.R.I.K.E assisted Captain America during S.H.I.E.L.D.'s attack on Batroc the Leaper's ship. He was later outed as an undercover Hydra agent after the Fall of S.H.I.E.L.D.; taking on the codename Crossbones and a matching costume, reflecting his liking of the skull and crossbones.[1]
Loki's Training[]
He and his henchmen tried to rob a bank, they were chased by the Avengers and had their car knocked over by Loki and were finally arrested.[2]Attributes
Powers
Presumably same as his movie counterpart.
Abilities
Presumably same as his movie counterpart.
Weaknesses
Presumably same as his movie counterpart.