The show, set in 1946, is the latest small-screen venture from comic book entertainment powerhouse Marvel.
ABC is also home to
The network reported that the drama delivered its best 18-to-49-year-old rating in the two-hour time slot in more than a year.
Also on the network, "Forever" averaged 4.9-million viewers and stayed even with its last original episode with a rating of 1.1 in the key demo.
With 6.2-million viewers and a rating of 1.6 in the key demo, ABC was the second most-watched network of the night.
"NCIS: New Orleans," which followed, came in second with 17.4-million viewers and a rating of 2.5 in the key demo. It was up 32% from its most recent original episode on Dec. 16.
NBC was fifth in the key demo with a rating of 1.1. It averaged 3.8-million viewers, making it fourth most-watched network overall.
"Chicago Fire" averaged 6.7-million viewers. "Marry Me" was down 33% from its most original episode on Dec. 9 with a rating of 0.8 in the key demo. It was the lowest rating yet. It pulled in 2-million viewers.
"About a Boy" also fell 11% from its Dec. 9 episode. It averaged 2.7-million viewers overall.
Meanwhile, on Fox, the premiere of "Masterchef Junior" posted a 1.8 in the key demo, its highest rating in nearly two months. It averaged 5.3-million viewers.