The Champions Vol. 1 (1975-1978) #7

Plot

Angel and Ghost Rider fail to prevent Darkstar and Griffin from liberating Stuart Clarke from his hospital room. Meanwhile, the Champions' office is attacked by a small, remote-controlled missile. When Ivan and Black Widow analyze it, they recognize the calling card of Natasha's old trainer, Alexi Bruskin. Widow spots Bruskin on a nearby rooftop and dives out the window to go confront him, but the two former comrades are quickly interrupted by the arrival of Titanium Man.