The 33-year-old "Daredevil" star, who is dating "Agents of S.H.I.E.L.D." producer Thomas, revealed his happy news at the Toronto Fan Expo when he joked about his "very pregnant" girlfriend at the event, reported Female First.
When asked if he is "going to be a daddy", he replied, "Very, very soon."
Thomas is thought to be due to give birth mid-September.
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