For a long time this line has been regarded as a sideline.I am here to give lines and ideas for White AND black in this line.
So starting from the top line.3...d6 (3...Nc6 will be covered in this collection. Game Collection: 1.e4 e5 2.f4 Bc5 3.Qh5!?:Mihail Marin's line.)
3...Qe7?! is dubious as it allows White to have a better eg G Welling vs Mergits, 1985 (C30) King's Gambit Declined, 58 moves, 1-0