Captain America (vol. 1) #214 (Oct. 1977):
“Power”
by Jack Kirby, Mike Royer

Hired Night Flyer to assassinate the Defector within a SHIELD medical facility, which is the central plot of this issue. Corporation not mentioned by name, but sleeper agent working for it featured.

Falcon: "We've been victims of another devious design in the far-flung web administered and carefully guarded by that one-eyed stubble-plastered, cigar-smoking Nick Fury!"
Captain America: "May his combat medals turn green!"

Quote: "Slowly... almost miraculously... the Herculean effort is rewarded by the yielding of crumpled steel..."

Falcon (to Captain America): "Tell ya what-- let's throw a party! We'll call Sharon n' Lila [sic] and celebrate your seeing again!"
After defeating Night Flyer, Captain America and the Falcon decide to call their girlfriends, Sharon Carter and Leila Taylor, to celebrate.

Falcon (to Captain America): "Tell ya what-- let's throw a party! We'll call Sharon n' Lila [sic] and celebrate your seeing again!"
After defeating Night Flyer, Captain America and the Falcon decide to call their girlfriends, Sharon Carter and Leila Taylor, to celebrate.

(pg. 5) Night Flyer: "I've been paid to locate and kill the Defector! His fate will be... final!"
(pg. 17) Falcon: "It's been a bad night... But the Defector is intact--whoever and wherever he is... only SHIELD's got the answers!"
Cap: "My guess is that he was NEVER in this complex! I think it was a cover story to obscure his REAL location!"
The plot of this entire issue centers on Night Flyer's efforts to infiltrate a SHIELD medical facility and assassinate a patient known as the Defector.

SHIELD agent (hauling away captive, traitorous SHIELD agent who was really a sleeper agent for the Corporation): "Let's go-- Benedict!"
Falcon: "And don't forget to give my regards to Arnold!!"
Captain America: "That's a bad joke, son!"