Sam Jackson's Nick Fury Rocking A Major Breard In Marvel 'Secret Invasion' Pics Marvel is still busy creating new content to tie into the copious amount of storylines, multiverses, and characters now part of the ever expanding world of the MCU.

It looks like there might be some new theories about 'Iron Man 4,' including 'How I Met Your Mother' star Cobie Smulders taking on an important role.

'Avengers 2' Trailer: Samuel L Jackson & Cobie Smulders Dish On Nick Fury & Maria Hill; Coulson Questionable For 'Age Of Ultron' [VIDEO]

Cobie Smulders has confirmed that she will be starring in the 'Avengers' sequel. The actress, who also starred in the original, will be reprising her role as S.H.I.E.L.D agent Maria Hill.