After a month-long hiatus, "Marvel's Agents of S.H.I.E.L.D." returns with a new episode Tuesday, March 4 on ABC -- titled "T.A.H.I.T.I.," and featuring the debut of Bill Paxton as S.H.I.E.L.D. agent John Garrett.

In advance of the show's return, CBR News will be speaking with executive producers Maurissa Tancharoen and Jed Whedon -- and for the second time this year, the conversation will be fueled by your questions.!

It's been a busy period for "Agents of S.H.I.E.L.D." since our last chat with Tancharoen and Whedon -- not only is Paxton's arrival imminent, fans now know that J. August Richards' Mike Peterson is now the show's take on long-running Marvel character Deathlok, and that both Lorelei (Elena Satine) and -- straight from Marvel Studios' "Thor" films -- Sif (Jaimie Alexander) will appear on an upcoming episode of the series.

Whatever has you curious, send your queries to aching@comicbookresources.com with the subject "Agents of S.H.I.E.L.D. questions," and we'll ask the best ones during our chat with the showrunners -- make them good, and don't forget to send via email. You've got until noon Pacific time on Wednesday, Feb. 26 -- so don't miss out on your opportunity to interact with the "Agents of S.H.I.E.L.D." showrunners.