The "How I Met Your Mother" actress will reprise the role of SHIELD agent Maria Hill on the ABC series
"Winter Soldier" was so top secret, Stan tells TheWrap he didn't know he was in it until "two years after we shot the first film"
"We wrote a comedy with dramatic elements till the very end," Craig Thomas tweets amid split public opinion about series ender
"They had actually planned the ending during our pilot," the actress tells Letterman
A choice selection of "HIMYM" gems as the CBS comedy hurtles toward its conclusion
Show hopes to go out big with Monday's finale
How Neil Patrick Harris, Alyson Hannigan and cast benefited from being on the hit sitcom
"HIMYM" cast delivers fake reveals about series finale on "Letterman"
Iron Man and the Hulk also make appearance on video monitors in the background in a new clip from the ABC's new superhero drama
The stars of "Iron Man 3" arrive on the red carpet at the El Capitan Theatre
Christopher McDonald and Emily Bergl have also joined the cast of Stephen Gyllenhaal's political comedy